Stat Prep Blueprint Review Guide Stat Prep Blueprint
Unit 4: Data Analysis & Statistics // Ref: 09-Stats
Drafted By:
Analyst Name:
Date:
1. Central Tendency
Calculate for the dataset representing hours studied:
4, 7, 3, 8, 4, 10, 6
MEAN:
MEDIAN:
MODE:
RANGE:
2. 5-Number Summary
Workspace / Data Ordering:
01020304050
Min:
Q1:
Med:
Q3:
3. Sampling
Analysis Task:
Surveying 30 students in 1st period to predict for 1,200 total students. Is this representative? Explain why or why not.
4. Trend Analysis
Trend Equation:
y = 1.5x + 10
If x is years of experience and y is salary ($1,000s), predict the salary for someone with 8 years of experience.
Blueprint Protocol: Stat-09-Review
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Data Analysis Showdown Test Analysis Showdown
Unit 4 Summative Assessment // Sec: 4-Data
Status:
FINAL RELEASE
Student Name:
Date:
ID:
PART I
Core Competencies
A researcher wants to know the average height of high school students. They measure every 10th student entering a football game. This sampling method is likely to be:
Biased and unrepresentative
Random and representative
A census of all students
Systematically perfect
Which measure of central tendency is most affected by extreme outliers in a dataset?
The Median
The Mean
The Mode
The Range
PART II
Visualization & Analysis
Construct a Box Plot from these test scores:
65, 72, 75, 80, 82, 88, 90, 95, 100
Step A: 5-Number Summary
Min
Q1
Med
Q3
Max
Step B: Plot Visualization
60708090100
Correlation and Prediction
Line of best fit: y = -2.5x + 92 where x = hours gaming and y = test score.
A. Interpret the slope (-2.5) in context:
B. Predict score for 6 hours of gaming:
Showdown Assessment Code: ST-09-FINAL
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Assessment Key Blueprint Teacher Guide Evaluation Key
TEACHER REFERENCE // VERIFIED SOLUTIONS
Security Level:
MASTER COPY
Part I: Multiple Choice
Answer: Biased and unrepresentative
Rationale: Selection bias. Students attending a game do not reflect the full population of high school students.
Answer: The Mean
Rationale: The mean calculation includes every value, making it highly sensitive to extreme data points.
Part II: Analysis
5-Number Summary:
Min: 65
Q1: 73.5 (Avg of 72 & 75)
Med: 82
Q3: 89 (Avg of 88 & 90)
Max: 100
Slope Interpretation:
"For every 1 additional hour spent gaming, the student's test score is expected to decrease by 2.5 points."
Prediction:
y = -2.5(6) + 92 = 77%
Grading Scale Blueprint
Proficient
18-20 pts
Approaching
14-17 pts
Emerging
0-13 pts
Teacher Protocol: KEY-ST-09-FINAL
Strictly Confidential
Stat Mastery Slides Presentation UNIT 4 ASSESSMENT
Data Analysis Showdown
"In God we trust. All others must bring data." — W. Edwards Deming
Mission Parameters
65 MINUTE DURATION
Review
Quick-fire prep on central tendency and box plots using your Blueprint Guide.
15 MINUTES
Assessment
Summative Showdown. Focus on accuracy and clear justification in your responses.
40 MINUTES
Reflection
Self-assessment and "Glows & Grows" on your data analysis journey.
10 MINUTES
Warm-Up: Quick Analysis
DATASET A:
12, 15, 12, 20, 31
Mean: 18
Median: 15
Mode: 12
Critical Thought:
If the number 100 is added to this dataset, which measure will shift the most? Why?
Discuss with your desk partner for 60 seconds.
Showdown Protocols
01
Clear Desks: Only pencils, erasers, and authorized calculators allowed.
02
No Intercepts: Zero communication until all blueprints are submitted.
03
Show Your Work: Partial credit is awarded for logical procedural steps.
GOOD LUCK, ANALYSTS.
Post-Analysis Reflection
Check Your Pulse
Which concept felt like "muscle memory"?
Where did you encounter a "data bottleneck"?
How confident are you in your trend line prediction?
Unit 4 Complete
Submit your test and reflection ticket to the mission log.
