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Statistics & Probability

SequencesLessonsMaterialsVideos
  1. Math

Statistics & Probability

SequencesLessonsMaterialsVideos
SequencesLessonsMaterialsVideos

Data representation, distributions, and statistical variability using sampling and inference techniques. Integrates probability models, compound events, bivariate patterns, and linear models to guide data-driven decision making.

Data DistributionsAnalyzes the shape, center, and spread of numerical datasets using histograms, box plots, and dot plots. Examines measures of central tendency and variability to interpret data consistency and skewness.
Statistical VariabilityAnalysis of data spread using range, interquartile range, and mean absolute deviation. Examines how individual data points differ from the center and from each other within a distribution.
Statistical SamplingRandom, stratified, and cluster sampling methods for data collection and analysis. Addresses sample size determination, bias reduction, and the principles of making valid inferences about larger populations.
Bivariate Data PatternsAnalysis of relationships between two variables using scatter plots and lines of best fit. Identifies patterns of association, correlation coefficients, and potential outliers in quantitative datasets.
Random Processes in StatisticsDiscrete and continuous-time stochastic models, including Markov chains and Poisson processes. Examines stationarity, autocorrelation, and transition probabilities to analyze systems evolving over time.
Expected ValuesMathematical foundations for calculating the long-term average of random variables across multiple trials. Addresses discrete probability distributions and applications in game theory and financial forecasting.
Probability-Based Decision MakingExpected value calculations and risk assessment techniques for making informed choices under uncertainty. Equips students with decision trees and Bayesian reasoning to evaluate potential outcomes in real-world scenarios.
Statistical Inference and ConclusionsHypothesis testing, confidence intervals, and p-values used to draw population conclusions. Evaluates statistical significance and error types within experimental and observational data.
MathNumbers & CountingCounting ObjectsNumber NamesComparing NumbersNumber OperationsCounting SequenceNumbers 0-10Place Value Understanding and SystemAdd and Subtract Within 20Addition and Subtraction ConceptsAddition and Subtraction EquationsAddition and Subtraction ProblemsFoundations for MultiplicationMultiplication and Division PropertiesMultiply and Divide Within 100Multiplication and Division ProblemsFactors and MultiplesProperties of OperationsPatterns and RelationshipsGenerate and Analyze PatternsMulti-Digit ArithmeticPlace Value OperationsMulti-Digit and Decimal OperationsNumerical ExpressionsFour Operations and PatternsFour Operations Problem SolvingMeasurement & DataMeasurable AttributesMeasuring LengthsMeasure and Estimate Lengths in Standard UnitsRelate Addition and Subtraction to LengthClassifying and Counting ObjectsTime and MoneyArea Concepts and MeasurementPerimeter and Area MeasuresAngle Concepts and MeasurementTime, Volume, and MassMeasurement Unit ConversionsGeometryIdentifying ShapesShapes and AttributesShape Attributes and ReasoningShapes and CompositionClassifying 2D FiguresGeometric Figures and RelationshipsLines, Angles, and ShapesAngle, Area, and VolumeGeometric MeasurementVolume of 3D ShapesCoordinate Plane ApplicationsTransformations in the PlaneCongruence and SimilarityUnderstand congruence in terms of rigid motionsSimilarity and TransformationsProve Theorems Involving SimilarityPythagorean TheoremTrigonometry for General TrianglesMake Geometric ConstructionsProve Geometric TheoremsTheorems About CirclesFind Arc Lengths And Areas of Sectors of CirclesVolume FormulasRelationships Between Two-Dimensional and Three-Dimensional ObjectsProve Simple Geometric Theorems AlgebraicallyTranslate Between Geometric Description and Equation for Conic SectionApply Geometric Concepts in Modeling SituationsFractions & DecimalsFractions as NumbersBuilding FractionsFraction Equivalence and OrderingAdding and Subtracting FractionsMultiplying and Dividing FractionsDividing FractionsDecimal FractionsMulti-Digit Computation and FactorsAdd, Subtract, Multiply, and Divide Rational NumbersRational Number SystemIrrational Numbers and ApproximationsRatiosRatios and ProportionsProportional RelationshipsUnit RateAlgebraAlgebraic ExpressionsGenerate Equivalent ExpressionsQuantitative RelationshipsProportional Relationships and Linear EquationsEquations and InequalitiesEquation Solving and ReasoningLinear Equations and SystemsGraph Equations and InequalitiesSystems of EquationsReal-World Algebraic ProblemsQuantitative Reasoning with UnitsExpression StructureEquivalent Expression FormsRadicals and Integer ExponentsRational ExponentsRational and Irrational NumbersPolynomial OperationsPolynomial IdentitiesPolynomial Zeros and FactorsRational ExpressionsComplex Number OperationsComplex Numbers in PolynomialsComplex Numbers on PlaneStatistics & ProbabilityRepresent and Interpret DataData DistributionsStatistical VariabilityProbability ModelsCompound Event ProbabilitiesStatistical SamplingInterpret Categorical and Quantitative DataBivariate Data PatternsInterpret Linear ModelsComparing Two PopulationsRandom Processes in StatisticsIndependence and Conditional ProbabilityExpected ValuesProbability-Based Decision MakingStatistical Inference and ConclusionsFunctionsFunction Concepts and NotationDefine and Compare FunctionsInterpret Functions in ContextAnalyze Function RepresentationsModel Relationships with FunctionsIdentify Linear vs Exponential GrowthDistinguish Between Function TypesCompare Growth RatesInterpret Function ExpressionsBuild Functions from RelationshipsConstruct and Model FunctionsTransform and Combine FunctionsModel Comparison and SelectionSolve Exponential EquationsTrigonometryTrigonometric Ratios Involving Right TrianglesTrigonometric Functions and Unit CircleModel with Trigonometric FunctionsTrigonometric IdentitiesVectors & MatricesIntroduction to Vectors and MatricesVector QuantitiesVector OperationsMatrix OperationsCalculusLimits and ContinuityDerivative Concepts and NotationDerivative Rules and TechniquesApplications of DerivativesOptimization ProblemsRelated RatesCurve Sketching and AnalysisIntegration Concepts and NotationAntiderivatives and Indefinite IntegralsDefinite Integrals and AreaFundamental Theorem of CalculusIntegration TechniquesApplications of IntegrationDifferential EquationsSequences and SeriesParametric and Polar FunctionsVector-Valued Functions
Lesson
Stochastic Path Slides
Monte Carlo Engine Project

Monte Carlo Simulation Derivatives

Computational estimation of expected payoffs for path-dependent derivatives using Geometric Brownian Motion and Monte Carlo simulations.

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Lenny
1/18
Lesson
Tail Risk Slides
Risk Metrics Worksheet

VaR and Expected Shortfall Metrics

Analysis of tail risk through Value at Risk (VaR) and Expected Shortfall, focusing on the limitations of normal distributions.

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Lenny
1/18
Lesson
Neutral Grounds Slides
Option Architect Activity

Risk Neutral Valuation Options

Introduction to risk-neutral measures and binomial pricing models, using expected values to price options without arbitrage.

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Lenny
1/18
Lesson
Efficient Frontier Slides
Portfolio Construction Workshop

Portfolio Optimization Analysis

Application of expected value to asset returns using matrix algebra to derive the Efficient Frontier and optimize portfolios.

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Lenny
1/18
Lesson
Utility Gap Slides
Utility Function Worksheet

Utility Theory and Risk Aversion

Students contrast mathematical expected value with expected utility to explain decision-making under uncertainty, analyzing different utility functions to model risk-averse behavior.

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Lenny
1/18
Lesson
Martingale Theory Worksheet
Martingale Theory Slides Deck

Martingales and Stopping Times

Introduction to Martingales and the Optional Stopping Theorem, applying these concepts to fair games and boundary crossing probabilities.

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Lenny
1/18
Lesson
Conditional Expectation Worksheet Handout
Conditional Expectation Slides Deck

Conditional Expectation and Sigma-Algebras

Defines conditional expectation as a random variable measurable with respect to a sub-sigma-algebra, utilizing the Radon-Nikodym theorem.

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Lenny
1/18
Lesson
Convergence Analysis Worksheet
Convergence Theorems Slides

Convergence Theorems and Expectation

Analysis of Monotone Convergence, Fatou's Lemma, and Dominated Convergence Theorems to determine when limits and expectations commute.

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Lenny
1/18
Lesson
Expectation Inequalities Workshop
Inequality Foundations Slides

Fundamental Inequalities in Expectation

Focuses on the derivation and application of Markov, Chebyshev, Jensen, Hölder, and Minkowski inequalities to bound expected values.

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Lenny
1/18
Lesson
Lebesgue Expectation Worksheet
Expectation Foundations Slides

Measure-Theoretic Definition of Expectation

Students define expectation using the Lebesgue integral, moving from simple functions to non-negative random variables and addressing the limitations of Riemann integration.

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Lenny
1/18
Lesson
Simulation Project Slides
Monte Carlo Project
Simulation Assessment Rubric

Monte Carlo Mastery

Design and implement a Monte Carlo simulation study to test estimator robustness under finite sample constraints and non-normal population distributions.

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Lenny
1/18
Lesson
Big Data Slides
Paradox Math Worksheet
Paradox Math Answer Key

Big Data Paradox

Critically assess non-probability sampling and the 'Big Data Paradox' by comparing Mean Squared Error (MSE) across different sampling regimes.

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Lenny
1/18
Lesson
Frame Error Slides
Frame Design Activity

Frame Fidelity

Analyze the gap between target populations and sampling frames, focusing on the mathematical impacts of undercoverage and overcoverage on estimator variance.

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Lenny
1/18
Lesson
Selection Bias Slides
Bias Proofs Worksheet
Bias Proofs Answer Key

Bias Mechanics

Deconstruct selection bias through mathematical proofs and the historical lens of the 1936 Literary Digest poll, exploring how non-random exclusion alters conditional probabilities.

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Lenny
1/18
Lesson
Sampling Logic Slides
Estimator Properties Worksheet
Estimator Properties Answer Key

Sampling Foundations

Examine the mathematical properties of estimators under simple random sampling (SRS), focusing on unbiasedness, consistency, and the Central Limit Theorem's role in sampling distributions.

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Lenny
1/18
Lesson
Monte Carlo Slides Intro
Blackjack Simulator Lab Guide
Strategic Probability Exit Ticket

Monte Carlo Methods

Using computational simulations to verify theoretical probability models and observe the Law of Large Numbers.

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Lenny
1/17
Lesson
Expected Value Slides
Casino Math Case Study

Expected Value in Gaming

Combining probability with payoffs to calculate Expected Value and analyze house edges in gambling.

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Lenny
1/17
Lesson
Hypergeometric Logic Slides
Hypergeometric Problem Set
Hypergeometric Answer Key

Hypergeometric Probability

Formalizing the logic of drawing without replacement using the Hypergeometric distribution.

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Lenny
1/17
Lesson
Poker Probabilities Slides
Hand Analysis Worksheet
Poker Reference Sheet

Poker Hands and Combinations

Applying combinatorics and the multiplication rule to calculate the probability of complex poker hands.

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Lenny
1/17
Lesson
Deck Dynamics Slides
Deck Dynamics Worksheet
Deck Dynamics Answer Key

The Deck as Sample Space

Establishing the standard 52-card deck as a sample space and differentiating between independent and dependent compound events.

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Lenny
1/17
Lesson
Random Paths Slides
Stochastic Steps Teacher Guide
Market Walk Worksheet

Random Paths

The sequence concludes with an introduction to stochastic sequences, simulating random walks to model stock price movements.

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Lenny
1/18
Lesson
Bond Dynamics Slides
Duration Deep Dive Teacher Guide
Risk Radar Worksheet

Bond Dynamics

Students analyze bonds as series of cash flows, using differentiation to calculate Duration and assess interest rate risk.

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Lenny
1/18
Lesson
Infinite Returns Slides
Perpetuity Pricing Teacher Guide
Endless Cashflow Worksheet

Infinite Returns

This lesson explores the valuation of infinite horizons, applying geometric series convergence to price perpetuities and the Dividend Discount Model.

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Lenny
1/18
Lesson
Annuity Mastery Slides
Payment Paths Teacher Guide
Mortgage Math Worksheet

Annuity Mastery

Learners model loan payments and savings plans using finite geometric series, deriving amortization formulas for mortgages and annuities.

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Lenny
1/18
Lesson
Growth Engines Slides
Growth Engines Teacher Guide
Interest Architect Worksheet

Growth Engines

Students derive the compound interest formulas as geometric sequences, exploring the impact of compounding frequency and the limit as it approaches infinity (continuous compounding).

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Lenny
1/18
Lesson
Martingale Theory Worksheet
Martingale Theory Slides Deck

Martingales and Stopping Times

Introduction to Martingales and the Optional Stopping Theorem, applying these concepts to fair games and boundary crossing probabilities.

Lenny Avatar
Lenny
1/18
Lesson
Conditional Expectation Worksheet Handout
Conditional Expectation Slides Deck

Conditional Expectation and Sigma-Algebras

Defines conditional expectation as a random variable measurable with respect to a sub-sigma-algebra, utilizing the Radon-Nikodym theorem.

Lenny Avatar
Lenny
1/18
Lesson
Convergence Analysis Worksheet
Convergence Theorems Slides

Convergence Theorems and Expectation

Analysis of Monotone Convergence, Fatou's Lemma, and Dominated Convergence Theorems to determine when limits and expectations commute.

Lenny Avatar
Lenny
1/18
Lesson
Expectation Inequalities Workshop
Inequality Foundations Slides

Fundamental Inequalities in Expectation

Focuses on the derivation and application of Markov, Chebyshev, Jensen, Hölder, and Minkowski inequalities to bound expected values.

Lenny Avatar
Lenny
1/18
Lesson
Lebesgue Expectation Worksheet
Expectation Foundations Slides

Measure-Theoretic Definition of Expectation

Students define expectation using the Lebesgue integral, moving from simple functions to non-negative random variables and addressing the limitations of Riemann integration.

Lenny Avatar
Lenny
1/18
Lesson
Stochastic Storm Slides
Modern ML Debates
Neural Optimization Check Exit Ticket

Stochastic Gradients in High Dimensions

Exploring Stochastic Gradient Descent (SGD) and its role in navigating high-dimensional, non-convex landscapes in machine learning.

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Lenny
1/18
Lesson
Boundary Path Slides
Constrained Extremes Worksheet
Lagrangian Insight Guide

Constrained Lagrange Optimization

Solving optimization problems under constraints using the method of Lagrange multipliers, focusing on the alignment of gradient vectors.

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Lenny
1/18
Lesson
Descent Dynamics Slides
Convergence Code Challenge
Optimization Algorithm Cheat Sheet

Implementing Gradient Descent

Implementation of iterative numerical methods, focusing on the geometry of convergence, learning rates, and momentum in gradient descent.

Lenny Avatar
Lenny
1/18
Lesson
Curvature Landscape Slides
Point Classification Lab Worksheet
Hessian Analysis Key

Analyzing Curvature with Hessians

An examination of second-order derivatives via the Hessian matrix to understand surface curvature and classify critical points using eigenvalues.

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Lenny
1/18
Lesson
Ascent Vector Slides
Steepest Ascent Worksheet
Gradient Geometry Guide

Interpreting the Gradient Vector

Students analyze the gradient vector as a directional quantity, establishing its geometric relationship with level sets and proving it indicates the steepest ascent.

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Lenny
1/18
Lesson
Queueing Presentation Slides
Queueing Facilitation Guide
Queueing Theory Project Guide

Queueing Theory and Performance

Application of stochastic modeling to queueing systems, using Little's Law and steady-state analysis to optimize performance in complex environments.

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Lenny
1/17
Lesson
Continuous Time Presentation Slides
Continuous Time Facilitation Guide
Continuous Time Dynamics Worksheet

Continuous Time Dynamics

Transitioning to continuous-time Markov chains using generator matrices and solving Kolmogorov's differential equations for birth-death processes.

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Lenny
1/17
Lesson
Poisson Presentation Slides
Poisson Facilitation Guide
Poisson Arrival Problems

Poisson Processes and Interarrivals

Investigation of the Poisson process, its relationship to the exponential distribution, and the implications of the memoryless property in continuous-time modeling.

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Lenny
1/17
Lesson
Stationarity Presentation Slides
Stationarity Facilitation Guide
Stationarity Analysis Activity

Classification and Stationarity

Analysis of the long-term behavior of Markov chains, focusing on state classification (recurrence, transience) and the computation of stationary distributions.

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Lenny
1/17
Lesson
Markov Chains Presentation Slides
Dynamics Facilitation Guide
Dynamics Dynamics Worksheet

Markov Chains and Transition Dynamics

Foundational concepts of Markov processes, the Markov property, and the mathematical framework of transition matrices and Chapman-Kolmogorov equations.

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Lenny
1/17
Lesson
Stochastic Path Slides
Monte Carlo Engine Project

Monte Carlo Simulation Derivatives

Computational estimation of expected payoffs for path-dependent derivatives using Geometric Brownian Motion and Monte Carlo simulations.

Lenny Avatar
Lenny
1/18
Lesson
Tail Risk Slides
Risk Metrics Worksheet

VaR and Expected Shortfall Metrics

Analysis of tail risk through Value at Risk (VaR) and Expected Shortfall, focusing on the limitations of normal distributions.

Lenny Avatar
Lenny
1/18
Lesson
Neutral Grounds Slides
Option Architect Activity

Risk Neutral Valuation Options

Introduction to risk-neutral measures and binomial pricing models, using expected values to price options without arbitrage.

Lenny Avatar
Lenny
1/18
Lesson
Efficient Frontier Slides
Portfolio Construction Workshop

Portfolio Optimization Analysis

Application of expected value to asset returns using matrix algebra to derive the Efficient Frontier and optimize portfolios.

Lenny Avatar
Lenny
1/18
Lesson
Utility Gap Slides
Utility Function Worksheet

Utility Theory and Risk Aversion

Students contrast mathematical expected value with expected utility to explain decision-making under uncertainty, analyzing different utility functions to model risk-averse behavior.

Lenny Avatar
Lenny
1/18
Lesson
Forensic Data Synthesis Slides
Climate Audit Report Template
Case Study Facilitation Guide

Robust Regression Case Study

Students analyze a contaminated dataset (e.g., historical climate data with sensor errors) using both OLS and robust methods. They must justify their choice of model and explain the nature of the identified outliers.

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Lenny
1/18
Lesson
Consensus Models Slides
RANSAC Logic Worksheet
Consensus Modeling Teacher Guide

RANSAC and Theil-Sen Estimators

This lesson covers iterative robust methods used frequently in computer vision and engineering. Students implement RANSAC (Random Sample Consensus) to fit models to data with high contamination rates (up to 50% outliers).

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Lenny
1/18
Lesson
Prediction Pitfall Validation Project
Beyond R-Squared Slides

Beyond the R-Squared Mirror

Students synthesize their diagnostic skills by implementing cross-validation frameworks to assess model generalizability and prevent overfitting.

Lenny Avatar
Lenny
1/18
Lesson
Resilient Loss Slides
Robust Loss Problem Set
Robust Optimization Teacher Guide

M-Estimators and Huber Loss

Students are introduced to robust regression techniques that modify the loss function. The lesson contrasts squared error loss (L2) with absolute error (L1) and Huber loss to reduce the impact of outliers.

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Lenny
1/18
Lesson
Transformation Translator Reference Sheet
Exponential Expansion Lab Activity

Linearizing the World

Students master data transformations to linearize relationships and stabilize variance, focusing on the interpretative shifts required for log-based models.

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Lenny
1/18
Lesson
Normality Diagnostics Slides
Diagnostic Decision Tree Reference

The Normality Niche

Students investigate the normality assumption of errors using Q-Q plots and statistical tests, understanding how departures from normality impact inference in small vs. large samples.

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Lenny
1/18
Lesson
Quantifying Influence Slides
Influence Audit Lab Worksheet
Quantitative Diagnostics Teacher Guide

Diagnostic Measures Cook's Distance and DFFITS

This lesson details specific aggregate measures of influence. Students calculate Cook's Distance and DFFITS to quantitatively identify points that justify exclusion or special handling in regression analysis.

Lenny Avatar
Lenny
1/18
Lesson
Real Estate Residuals Case Study
Real Estate Residuals Key

Residual Analysis and Heteroscedasticity Drop-off

Students analyze residual plots and perform the Breusch-Pagan test to diagnose and understand the implications of heteroscedasticity in regression models.

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Lenny
1/18
Lesson
Scientific Report Slides
Final Research Memo Project

The Scientific Report

Students apply their knowledge using statistical software to analyze a raw dataset. The focus shifts to correctly formatting the output into a standard scientific report.

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Lenny
1/18
Lesson
Assumption Audit Slides
Assumption Audit Worksheet

Assumption Audit

Students evaluate the critical assumptions of normality and independence required for valid t-tests. The lesson introduces diagnostic plots (Q-Q plots) and briefly touches upon non-parametric alternatives when assumptions fail.

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Lenny
1/18
Lesson
Precision Estimate Slides
Precision Practice Worksheet

Precision Estimates

Students move beyond simple hypothesis testing to estimating the magnitude of the difference between populations. The lesson covers the construction and interpretation of confidence intervals for the difference in means.

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Lenny
1/18
Lesson
T-Test Duel Slides
T-Test Calculation Workshop

The T-Test Duel

This lesson distinguishes between Student’s t-test (equal variances) and Welch’s t-test (unequal variances). Students perform calculations manually to understand the underlying mechanics before discussing when to assume homoscedasticity.

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Lenny
1/18
Lesson
Mean Difference Slides
Sampling Variability Worksheet
Sampling Variability Answer Key

Mean Difference Dynamics

Students explore how the difference between two sample means behaves as a random variable. They derive the standard error for the difference and establish the foundation for the t-statistic using independent samples.

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Lenny
1/18
Lesson
High Impact Influence Slides
Leverage Diagnostic Worksheet
Leverage Influence Teacher Guide

Leverage and Influence Foundations

Students explore the geometric and algebraic foundations of influence in bivariate regression, distinguishing between leverage (extremity in X) and discrepancy (extremity in Y).

Lenny Avatar
Lenny
1/18
Lesson
The OLS Engine Slides
Calculus of Least Squares Worksheet

The OLS Engine

Students derive the OLS estimators for slope and intercept using matrix algebra and calculus, establishing the mathematical foundation for bivariate regression.

Lenny Avatar
Lenny
1/18
Lesson
Forensic Data Synthesis Slides
Climate Audit Report Template
Case Study Facilitation Guide

Robust Regression Case Study

Students analyze a contaminated dataset (e.g., historical climate data with sensor errors) using both OLS and robust methods. They must justify their choice of model and explain the nature of the identified outliers.

Lenny Avatar
Lenny
1/18
Lesson
Consensus Models Slides
RANSAC Logic Worksheet
Consensus Modeling Teacher Guide

RANSAC and Theil-Sen Estimators

This lesson covers iterative robust methods used frequently in computer vision and engineering. Students implement RANSAC (Random Sample Consensus) to fit models to data with high contamination rates (up to 50% outliers).

Lenny Avatar
Lenny
1/18
Lesson
Prediction Pitfall Validation Project
Beyond R-Squared Slides

Beyond the R-Squared Mirror

Students synthesize their diagnostic skills by implementing cross-validation frameworks to assess model generalizability and prevent overfitting.

Lenny Avatar
Lenny
1/18
Lesson
Resilient Loss Slides
Robust Loss Problem Set
Robust Optimization Teacher Guide

M-Estimators and Huber Loss

Students are introduced to robust regression techniques that modify the loss function. The lesson contrasts squared error loss (L2) with absolute error (L1) and Huber loss to reduce the impact of outliers.

Lenny Avatar
Lenny
1/18
Lesson
Transformation Translator Reference Sheet
Exponential Expansion Lab Activity

Linearizing the World

Students master data transformations to linearize relationships and stabilize variance, focusing on the interpretative shifts required for log-based models.

Lenny Avatar
Lenny
1/18
Lesson
Normality Diagnostics Slides
Diagnostic Decision Tree Reference

The Normality Niche

Students investigate the normality assumption of errors using Q-Q plots and statistical tests, understanding how departures from normality impact inference in small vs. large samples.

Lenny Avatar
Lenny
1/18
Lesson
Quantifying Influence Slides
Influence Audit Lab Worksheet
Quantitative Diagnostics Teacher Guide

Diagnostic Measures Cook's Distance and DFFITS

This lesson details specific aggregate measures of influence. Students calculate Cook's Distance and DFFITS to quantitatively identify points that justify exclusion or special handling in regression analysis.

Lenny Avatar
Lenny
1/18
Lesson
Real Estate Residuals Case Study
Real Estate Residuals Key

Residual Analysis and Heteroscedasticity Drop-off

Students analyze residual plots and perform the Breusch-Pagan test to diagnose and understand the implications of heteroscedasticity in regression models.

Lenny Avatar
Lenny
1/18
Lesson
The Instrument Search Slides
The Instrument Search Case Study

The Instrument Search

An introduction to Instrumental Variables (IV) as a method for estimating causal effects when experiments are impossible, featuring the Vietnam War draft lottery case.

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Lenny
1/18
Lesson
Neutralizing Confounders Slides
Neutralizing Confounders Worksheet

Neutralizing Confounders

Practice identifying and adjusting for confounders. Students use partial correlation to 'control' for third variables and observe the impact on primary bivariate relationships.

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Lenny
1/18
Lesson
Mapping Causal Paths Slides
DAG Drawing Workshop

Mapping Causal Paths

Learn to represent causal assumptions using Directed Acyclic Graphs (DAGs). Students master the structures of chains, forks, and colliders to determine when to control for variables.

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Lenny
1/18
Lesson
The Aggregation Paradox Slides
The Aggregation Paradox Worksheet

The Aggregation Paradox

A deep dive into Simpson's Paradox where trends reverse upon aggregation. Students analyze the UC Berkeley admissions case to understand how data stratification reveals hidden truths.

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Lenny
1/18
Lesson
Illusory Associations Slides
Illusory Associations Worksheet

Illusory Associations

Explore spurious correlations and the 'third variable' problem using historical examples. Students learn to distinguish between coincidence, common causes, and direct causation.

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Lenny
1/18
Lesson
Beyond Correlation Slides
Beyond Correlation Teacher Guide
Information Impact Worksheet

Mutual Information and Entropy

The sequence concludes with Information Theory metrics, using Mutual Information to detect non-monotonic, complex associations that correlation coefficients miss.

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Lenny
1/18
Lesson
High Impact Influence Slides
Leverage Diagnostic Worksheet
Leverage Influence Teacher Guide

Leverage and Influence Foundations

Students explore the geometric and algebraic foundations of influence in bivariate regression, distinguishing between leverage (extremity in X) and discrepancy (extremity in Y).

Lenny Avatar
Lenny
1/18
Lesson
Smoothing the Noise Slides
The Smoothing Strategy Teacher Guide
Trend Hunters Worksheet

LOESS and Local Regression

This lesson focuses on locally weighted scatterplot smoothing (LOESS) to visualize trends without pre-defined parametric functions, exploring bandwidth selection and smoothing.

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Lenny
1/18
Lesson
Bending the Model Slides
Flexibility Frontier Teacher Guide
Polynomial Pitfalls Worksheet

Polynomial Regression and Splines

Students explore modeling curvature using polynomial terms and splines, while addressing the bias-variance tradeoff and the risks of overfitting.

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Lenny
1/18
Lesson
Ranking the World Slides
Beyond Normality Teacher Guide
Ordinal Odds Worksheet

Rank Based Correlation Methods

This lesson introduces Spearman’s rho and Kendall’s tau for assessing monotonic relationships in ordinal and non-normal continuous data.

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Lenny
1/18
Lesson
Breaking the Line Slides
Statistical Pathologies Teacher Guide
Association Detectives Worksheet

The Limitations of Pearsons Correlation

Students analyze Anscombe's Quartet and other pathological datasets to demonstrate where Pearson’s r fails, focusing on the distinction between linearity and general association.

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Lenny
1/18
Lesson
The OLS Engine Slides
Calculus of Least Squares Worksheet

The OLS Engine

Students derive the OLS estimators for slope and intercept using matrix algebra and calculus, establishing the mathematical foundation for bivariate regression.

Lenny Avatar
Lenny
1/18
Lesson
Stochastic Path Slides
Monte Carlo Engine Project

Monte Carlo Simulation Derivatives

Computational estimation of expected payoffs for path-dependent derivatives using Geometric Brownian Motion and Monte Carlo simulations.

Lenny Avatar
Lenny
1/18
Lesson
Tail Risk Slides
Risk Metrics Worksheet

VaR and Expected Shortfall Metrics

Analysis of tail risk through Value at Risk (VaR) and Expected Shortfall, focusing on the limitations of normal distributions.

Lenny Avatar
Lenny
1/18
Lesson
Neutral Grounds Slides
Option Architect Activity

Risk Neutral Valuation Options

Introduction to risk-neutral measures and binomial pricing models, using expected values to price options without arbitrage.

Lenny Avatar
Lenny
1/18
Lesson
Efficient Frontier Slides
Portfolio Construction Workshop

Portfolio Optimization Analysis

Application of expected value to asset returns using matrix algebra to derive the Efficient Frontier and optimize portfolios.

Lenny Avatar
Lenny
1/18
Lesson
Utility Gap Slides
Utility Function Worksheet

Utility Theory and Risk Aversion

Students contrast mathematical expected value with expected utility to explain decision-making under uncertainty, analyzing different utility functions to model risk-averse behavior.

Lenny Avatar
Lenny
1/18
Lesson
Stochastic Storm Slides
Modern ML Debates
Neural Optimization Check Exit Ticket

Stochastic Gradients in High Dimensions

Exploring Stochastic Gradient Descent (SGD) and its role in navigating high-dimensional, non-convex landscapes in machine learning.

Lenny Avatar
Lenny
1/18
Lesson
Boundary Path Slides
Constrained Extremes Worksheet
Lagrangian Insight Guide

Constrained Lagrange Optimization

Solving optimization problems under constraints using the method of Lagrange multipliers, focusing on the alignment of gradient vectors.

Lenny Avatar
Lenny
1/18
Lesson
Descent Dynamics Slides
Convergence Code Challenge
Optimization Algorithm Cheat Sheet

Implementing Gradient Descent

Implementation of iterative numerical methods, focusing on the geometry of convergence, learning rates, and momentum in gradient descent.

Lenny Avatar
Lenny
1/18
Lesson
Curvature Landscape Slides
Point Classification Lab Worksheet
Hessian Analysis Key

Analyzing Curvature with Hessians

An examination of second-order derivatives via the Hessian matrix to understand surface curvature and classify critical points using eigenvalues.

Lenny Avatar
Lenny
1/18
Lesson
Ascent Vector Slides
Steepest Ascent Worksheet
Gradient Geometry Guide

Interpreting the Gradient Vector

Students analyze the gradient vector as a directional quantity, establishing its geometric relationship with level sets and proving it indicates the steepest ascent.

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Lenny
1/18
Lesson
Bias Correction Slides
Small Sample Challenge
Information Theory Reference

Limitations and Extensions

Address small-sample bias in AIC with the AICc correction and discuss the broader limitations of information criteria compared to cross-validation.

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Lenny
1/18
Lesson
Greedy Search Slides
Search Path Worksheet
Selection Logic Reference

Stepwise Selection Algorithms

Implement and critique forward and backward stepwise selection algorithms using information criteria as stopping rules, discussing their greedy nature and instability.

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Lenny
1/18
Lesson
Metric Showdown Slides
Model Paradox Case Study
Workshop Facilitator Guide

AIC vs BIC Workshop

Analyze scenarios where AIC and BIC disagree, fitting multiple parametric models to datasets and determining the appropriate metric based on research goals.

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Lenny
1/18
Lesson
Bayesian Bounds Slides
Consistency Clash Activity
BIC Logic Notes

BIC and Model Consistency

Introduce BIC as a Bayesian approximation for model selection, focusing on its stronger penalty term and the property of consistency in large samples.

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Lenny
1/18
Lesson
Entropy Slides
Likelihood Loss Worksheet
AIC Derivation Guide

Deriving AIC from KL Divergence

Explore the theoretical link between maximum likelihood estimation and information loss, conceptually deriving AIC as an estimator of relative expected K-L divergence.

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Lenny
1/18
Lesson
Writing Justification Slides
Grant Defenders Toolkit
Peer Review Facilitation Guide

Justifying Sample Size in Research Proposals

A synthesis lesson where students draft and defend a formal sample size justification for a research proposal, addressing potential reviewer critiques.

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Lenny
1/18
Lesson
Sensitivity Analysis Slides
Working Backwards Worksheet

Sensitivity Analysis and Smallest Effect Size

Instruction on conducting sensitivity analyses to determine the Minimal Detectable Effect (MDE) when sample size is fixed. Students learn to navigate the constraints of secondary data and limited budgets.

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Lenny
1/18
Lesson
Complex Models Slides
Model Blueprint Worksheet
R Power Workshop Guide

Power Analysis for Complex Models

Advancing to complex statistical models including ANOVA and Multiple Regression. The lesson emphasizes the difference between global power and partial power for specific predictors.

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Lenny
1/18
Lesson
Means and Proportions Slides
Calculation Lab Worksheet
Technical Solutions Key

Sample Size for Means and Proportions

A technical session focusing on calculating sample sizes for basic tests of means and proportions. Students will learn to estimate population parameters and use software tools for sample size determination.

Lenny Avatar
Lenny
1/18
Lesson
Power Parameters Slides
Error Balance Worksheet
Replication Crisis Discussion Guide

Parameters of Power Analysis

An exploration of the four interdependent parameters of power analysis: alpha, beta, effect size, and sample size. Students will understand the trade-offs between Type I and Type II errors and the ethical implications of underpowered research.

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Lenny
1/18
Lesson
Forensic Data Synthesis Slides
Climate Audit Report Template
Case Study Facilitation Guide

Robust Regression Case Study

Students analyze a contaminated dataset (e.g., historical climate data with sensor errors) using both OLS and robust methods. They must justify their choice of model and explain the nature of the identified outliers.

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Lenny
1/18
Lesson
Consensus Models Slides
RANSAC Logic Worksheet
Consensus Modeling Teacher Guide

RANSAC and Theil-Sen Estimators

This lesson covers iterative robust methods used frequently in computer vision and engineering. Students implement RANSAC (Random Sample Consensus) to fit models to data with high contamination rates (up to 50% outliers).

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Lenny
1/18
Lesson
Resilient Loss Slides
Robust Loss Problem Set
Robust Optimization Teacher Guide

M-Estimators and Huber Loss

Students are introduced to robust regression techniques that modify the loss function. The lesson contrasts squared error loss (L2) with absolute error (L1) and Huber loss to reduce the impact of outliers.

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Lenny
1/18
Lesson
Quantifying Influence Slides
Influence Audit Lab Worksheet
Quantitative Diagnostics Teacher Guide

Diagnostic Measures Cook's Distance and DFFITS

This lesson details specific aggregate measures of influence. Students calculate Cook's Distance and DFFITS to quantitatively identify points that justify exclusion or special handling in regression analysis.

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Lenny
1/18
Lesson
Scientific Report Slides
Final Research Memo Project

The Scientific Report

Students apply their knowledge using statistical software to analyze a raw dataset. The focus shifts to correctly formatting the output into a standard scientific report.

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Lenny
1/18
Lesson
Assumption Audit Slides
Assumption Audit Worksheet

Assumption Audit

Students evaluate the critical assumptions of normality and independence required for valid t-tests. The lesson introduces diagnostic plots (Q-Q plots) and briefly touches upon non-parametric alternatives when assumptions fail.

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Lenny
1/18
Lesson
Precision Estimate Slides
Precision Practice Worksheet

Precision Estimates

Students move beyond simple hypothesis testing to estimating the magnitude of the difference between populations. The lesson covers the construction and interpretation of confidence intervals for the difference in means.

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Lenny
1/18
Lesson
T-Test Duel Slides
T-Test Calculation Workshop

The T-Test Duel

This lesson distinguishes between Student’s t-test (equal variances) and Welch’s t-test (unequal variances). Students perform calculations manually to understand the underlying mechanics before discussing when to assume homoscedasticity.

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Lenny
1/18
Lesson
Mean Difference Slides
Sampling Variability Worksheet
Sampling Variability Answer Key

Mean Difference Dynamics

Students explore how the difference between two sample means behaves as a random variable. They derive the standard error for the difference and establish the foundation for the t-statistic using independent samples.

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Lenny
1/18
Lesson
High Impact Influence Slides
Leverage Diagnostic Worksheet
Leverage Influence Teacher Guide

Leverage and Influence Foundations

Students explore the geometric and algebraic foundations of influence in bivariate regression, distinguishing between leverage (extremity in X) and discrepancy (extremity in Y).

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Lenny
1/18
Lesson
Replicate Secrets Slides
Replication Protocol Worksheet
Replicate Weights Answer Key

Replicate Weights and Variance

Covers variance estimation in complex surveys using replicate weights, focusing on the Jackknife and Balanced Repeated Replication (BRR) methods for public use datasets.

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Lenny
1/18
Lesson
Bootstrap Blueprint Slides
Bootstrap Builder Logic Worksheet
Bootstrap Builder Answer Key

The Bootstrap Method

An introduction to computational resampling techniques for estimating sampling distributions and constructing confidence intervals for non-standard estimators.

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Lenny
1/18
Lesson
Missing Pieces Slides
Missing Matter Case Study
Imputation Teacher Guide Key

Imputation for Missing Data

Explores the theory of missing data mechanisms (MCAR, MAR, MNAR) and the application of Multiple Imputation by Chained Equations (MICE) to preserve statistical validity.

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Lenny
1/18
Lesson
Closing the Gap Slides
Raking Routine Activity
Raking Routine Answer Key

Non Response and Raking

Covers techniques to handle unit non-response using post-stratification and iterative proportional fitting (raking) to align sample demographics with population totals.

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Lenny
1/18
Lesson
Multistage Blueprint Slides
State Survey Blueprint Template

Designing Multi Stage Surveys

The capstone lesson where students integrate stratification, clustering, and Probability Proportional to Size (PPS) to design a comprehensive multi-stage area probability survey.

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Lenny
1/18
Lesson
Base Weight Foundations Slides
Weighting Workshop Worksheet
Weighting Workshop Answer Key

Constructing Base Weights

Students define and calculate base weights as the inverse of inclusion probabilities, with a focus on adjusting for complex survey designs and intentional oversampling.

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Lenny
1/18
Lesson
Design Effect Slides
Design Efficiency Audit Worksheet

The Design Effect and Deff

A technical dive into the Design Effect (Deff) and Effective Sample Size. Students learn to adjust standard errors for non-SRS designs and evaluate the efficiency of complex sampling schemes.

Lenny Avatar
Lenny
1/18
Lesson
Writing Justification Slides
Grant Defenders Toolkit
Peer Review Facilitation Guide

Justifying Sample Size in Research Proposals

A synthesis lesson where students draft and defend a formal sample size justification for a research proposal, addressing potential reviewer critiques.

Lenny Avatar
Lenny
1/18
Lesson
Sensitivity Analysis Slides
Working Backwards Worksheet

Sensitivity Analysis and Smallest Effect Size

Instruction on conducting sensitivity analyses to determine the Minimal Detectable Effect (MDE) when sample size is fixed. Students learn to navigate the constraints of secondary data and limited budgets.

Lenny Avatar
Lenny
1/18
Lesson
Complex Models Slides
Model Blueprint Worksheet
R Power Workshop Guide

Power Analysis for Complex Models

Advancing to complex statistical models including ANOVA and Multiple Regression. The lesson emphasizes the difference between global power and partial power for specific predictors.

Lenny Avatar
Lenny
1/18
Lesson
Crisis Files Dossier
Science Integrity Seminar

Synthesis The Replication Crisis

A culminating discussion on the replication crisis in science. Students synthesize their knowledge of power, effect size, and p-hacking to evaluate the credibility of published research and the importance of open science practices.

Lenny Avatar
Lenny
1/18
Lesson
Sample Size Architect Guide
Study Design Worksheet

A Priori Sample Size Determination

Applying power analysis to study design, students learn to determine required sample sizes before data collection. This lesson focuses on the practical use of power analysis software to justify research parameters in grant and project proposals.

Lenny Avatar
Lenny
1/18
Lesson
Scientific Report Slides
Final Research Memo Project

The Scientific Report

Students apply their knowledge using statistical software to analyze a raw dataset. The focus shifts to correctly formatting the output into a standard scientific report.

Lenny Avatar
Lenny
1/18
Lesson
Assumption Audit Slides
Assumption Audit Worksheet

Assumption Audit

Students evaluate the critical assumptions of normality and independence required for valid t-tests. The lesson introduces diagnostic plots (Q-Q plots) and briefly touches upon non-parametric alternatives when assumptions fail.

Lenny Avatar
Lenny
1/18
Lesson
Visualizing Power Slides
Power Detective Activity

Introduction to Power Analysis

Students explore statistical power as the probability of detecting a real effect. Through visual simulations, they examine the dynamic relationships between sample size, effect size, alpha level, and the risk of Type II errors.

Lenny Avatar
Lenny
1/18
Lesson
Precision Estimate Slides
Precision Practice Worksheet

Precision Estimates

Students move beyond simple hypothesis testing to estimating the magnitude of the difference between populations. The lesson covers the construction and interpretation of confidence intervals for the difference in means.

Lenny Avatar
Lenny
1/18
Lesson
Effect Size Toolkit
Difference Decoded Worksheet

Calculating and Interpreting Cohens d

A technical session focused on calculating and interpreting Cohen's d for two-sample comparisons. Students learn to use benchmarks to evaluate effect magnitude and practice reporting these metrics alongside traditional inferential statistics.

Lenny Avatar
Lenny
1/18
Lesson
T-Test Duel Slides
T-Test Calculation Workshop

The T-Test Duel

This lesson distinguishes between Student’s t-test (equal variances) and Welch’s t-test (unequal variances). Students perform calculations manually to understand the underlying mechanics before discussing when to assume homoscedasticity.

Lenny Avatar
Lenny
1/18
Lesson
Mean Difference Slides
Sampling Variability Worksheet
Sampling Variability Answer Key

Mean Difference Dynamics

Students explore how the difference between two sample means behaves as a random variable. They derive the standard error for the difference and establish the foundation for the t-statistic using independent samples.

Lenny Avatar
Lenny
1/18
Lesson
Significance Paradox Slides
Practicality Check Worksheet

Beyond the P-Value Introduction to Effect Size

Students investigate the limitations of p-values, particularly in large samples, and are introduced to Cohen's d as a measure of practical significance. Through case studies, they analyze when a statistically significant result might be trivial in a real-world context.

Lenny Avatar
Lenny
1/18
Lesson
The Instrument Search Slides
The Instrument Search Case Study

The Instrument Search

An introduction to Instrumental Variables (IV) as a method for estimating causal effects when experiments are impossible, featuring the Vietnam War draft lottery case.

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Lenny
1/18
Lesson
Neutralizing Confounders Slides
Neutralizing Confounders Worksheet

Neutralizing Confounders

Practice identifying and adjusting for confounders. Students use partial correlation to 'control' for third variables and observe the impact on primary bivariate relationships.

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Lenny
1/18
Lesson
Mapping Causal Paths Slides
DAG Drawing Workshop

Mapping Causal Paths

Learn to represent causal assumptions using Directed Acyclic Graphs (DAGs). Students master the structures of chains, forks, and colliders to determine when to control for variables.

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Lenny
1/18
Lesson
The Aggregation Paradox Slides
The Aggregation Paradox Worksheet

The Aggregation Paradox

A deep dive into Simpson's Paradox where trends reverse upon aggregation. Students analyze the UC Berkeley admissions case to understand how data stratification reveals hidden truths.

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Lenny
1/18
Lesson
Illusory Associations Slides
Illusory Associations Worksheet

Illusory Associations

Explore spurious correlations and the 'third variable' problem using historical examples. Students learn to distinguish between coincidence, common causes, and direct causation.

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Lenny
1/18
Lesson
Bias Correction Slides
Small Sample Challenge
Information Theory Reference

Limitations and Extensions

Address small-sample bias in AIC with the AICc correction and discuss the broader limitations of information criteria compared to cross-validation.

Lenny Avatar
Lenny
1/18
Lesson
Final Defense Slides

Final Defense and Reporting

The culmination of the project where students synthesize their findings into a technical report and defend their model choice based on performance, trade-offs, and generalization expectations.

Lenny Avatar
Lenny
1/18
Lesson
Greedy Search Slides
Search Path Worksheet
Selection Logic Reference

Stepwise Selection Algorithms

Implement and critique forward and backward stepwise selection algorithms using information criteria as stopping rules, discussing their greedy nature and instability.

Lenny Avatar
Lenny
1/18
Lesson
Metric Showdown Slides
Model Paradox Case Study
Workshop Facilitator Guide

AIC vs BIC Workshop

Analyze scenarios where AIC and BIC disagree, fitting multiple parametric models to datasets and determining the appropriate metric based on research goals.

Lenny Avatar
Lenny
1/18
Lesson
Stability Analysis Slides
Stress Test Analysis Sheet

Diagnosing Selection Bias and Stability

Students explore model sensitivity and selection bias through stability analysis and data perturbation to ensure the chosen model generalizes robustly across varying data distributions.

Lenny Avatar
Lenny
1/18
Lesson
Crisis Files Dossier
Science Integrity Seminar

Synthesis The Replication Crisis

A culminating discussion on the replication crisis in science. Students synthesize their knowledge of power, effect size, and p-hacking to evaluate the credibility of published research and the importance of open science practices.

Lenny Avatar
Lenny
1/18
Lesson
Sample Size Architect Guide
Study Design Worksheet

A Priori Sample Size Determination

Applying power analysis to study design, students learn to determine required sample sizes before data collection. This lesson focuses on the practical use of power analysis software to justify research parameters in grant and project proposals.

Lenny Avatar
Lenny
1/18
Lesson
Visualizing Power Slides
Power Detective Activity

Introduction to Power Analysis

Students explore statistical power as the probability of detecting a real effect. Through visual simulations, they examine the dynamic relationships between sample size, effect size, alpha level, and the risk of Type II errors.

Lenny Avatar
Lenny
1/18
Lesson
Effect Size Toolkit
Difference Decoded Worksheet

Calculating and Interpreting Cohens d

A technical session focused on calculating and interpreting Cohen's d for two-sample comparisons. Students learn to use benchmarks to evaluate effect magnitude and practice reporting these metrics alongside traditional inferential statistics.

Lenny Avatar
Lenny
1/18
Lesson
Significance Paradox Slides
Practicality Check Worksheet

Beyond the P-Value Introduction to Effect Size

Students investigate the limitations of p-values, particularly in large samples, and are introduced to Cohen's d as a measure of practical significance. Through case studies, they analyze when a statistically significant result might be trivial in a real-world context.

Lenny Avatar
Lenny
1/18
Lesson
Replicate Secrets Slides
Replication Protocol Worksheet
Replicate Weights Answer Key

Replicate Weights and Variance

Covers variance estimation in complex surveys using replicate weights, focusing on the Jackknife and Balanced Repeated Replication (BRR) methods for public use datasets.

Lenny Avatar
Lenny
1/18
Lesson
Bootstrap Blueprint Slides
Bootstrap Builder Logic Worksheet
Bootstrap Builder Answer Key

The Bootstrap Method

An introduction to computational resampling techniques for estimating sampling distributions and constructing confidence intervals for non-standard estimators.

Lenny Avatar
Lenny
1/18
Lesson
Missing Pieces Slides
Missing Matter Case Study
Imputation Teacher Guide Key

Imputation for Missing Data

Explores the theory of missing data mechanisms (MCAR, MAR, MNAR) and the application of Multiple Imputation by Chained Equations (MICE) to preserve statistical validity.

Lenny Avatar
Lenny
1/18
Lesson
Closing the Gap Slides
Raking Routine Activity
Raking Routine Answer Key

Non Response and Raking

Covers techniques to handle unit non-response using post-stratification and iterative proportional fitting (raking) to align sample demographics with population totals.

Lenny Avatar
Lenny
1/18
Lesson
Multistage Blueprint Slides
State Survey Blueprint Template

Designing Multi Stage Surveys

The capstone lesson where students integrate stratification, clustering, and Probability Proportional to Size (PPS) to design a comprehensive multi-stage area probability survey.

Lenny Avatar
Lenny
1/18
Lesson
Base Weight Foundations Slides
Weighting Workshop Worksheet
Weighting Workshop Answer Key

Constructing Base Weights

Students define and calculate base weights as the inverse of inclusion probabilities, with a focus on adjusting for complex survey designs and intentional oversampling.

Lenny Avatar
Lenny
1/18
Lesson
Design Effect Slides
Design Efficiency Audit Worksheet

The Design Effect and Deff

A technical dive into the Design Effect (Deff) and Effective Sample Size. Students learn to adjust standard errors for non-SRS designs and evaluate the efficiency of complex sampling schemes.

Lenny Avatar
Lenny
1/18
Lesson
Writing Justification Slides
Grant Defenders Toolkit
Peer Review Facilitation Guide

Justifying Sample Size in Research Proposals

A synthesis lesson where students draft and defend a formal sample size justification for a research proposal, addressing potential reviewer critiques.

Lenny Avatar
Lenny
1/18
Lesson
Sensitivity Analysis Slides
Working Backwards Worksheet

Sensitivity Analysis and Smallest Effect Size

Instruction on conducting sensitivity analyses to determine the Minimal Detectable Effect (MDE) when sample size is fixed. Students learn to navigate the constraints of secondary data and limited budgets.

Lenny Avatar
Lenny
1/18
Lesson
Complex Models Slides
Model Blueprint Worksheet
R Power Workshop Guide

Power Analysis for Complex Models

Advancing to complex statistical models including ANOVA and Multiple Regression. The lesson emphasizes the difference between global power and partial power for specific predictors.

Lenny Avatar
Lenny
1/18
Lesson
Periodicity Trap Slides
Pattern Detection Lab Worksheet

Systematic Sampling and Periodicity

Examination of systematic sampling as a logistical proxy for random sampling. The lesson focuses on identifying periodicity and cyclical patterns in datasets that can lead to significant sampling bias.

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Lenny
1/18
Lesson
Cluster ICC Slides
Clustering Penalty Lab Worksheet

Cluster Sampling and ICC

Introduction to cluster sampling and the Intraclass Correlation Coefficient (ICC). Students analyze how within-cluster homogeneity inflates standard errors and learn to quantify the 'clustering penalty' in research design.

Lenny Avatar
Lenny
1/18
Lesson
Means and Proportions Slides
Calculation Lab Worksheet
Technical Solutions Key

Sample Size for Means and Proportions

A technical session focusing on calculating sample sizes for basic tests of means and proportions. Students will learn to estimate population parameters and use software tools for sample size determination.

Lenny Avatar
Lenny
1/18
Lesson
Simulation Project Slides
Monte Carlo Project
Simulation Assessment Rubric

Monte Carlo Mastery

Design and implement a Monte Carlo simulation study to test estimator robustness under finite sample constraints and non-normal population distributions.

Lenny Avatar
Lenny
1/18
Lesson
Big Data Slides
Paradox Math Worksheet
Paradox Math Answer Key

Big Data Paradox

Critically assess non-probability sampling and the 'Big Data Paradox' by comparing Mean Squared Error (MSE) across different sampling regimes.

Lenny Avatar
Lenny
1/18