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Last Updated: Aug 26, 2026
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| Section | Objectives |
|---|---|
| Probability Theory | - Probability Distributions
|
| Statistical Inference | - Estimation and Confidence Intervals
|
| Descriptive Statistics | - Single Variable Data Analysis
|
| Regression and Modeling | - Linear Relationships
|
Question 1
Chi-square test used for:
A. Variance
B. Means of two samples
C. Regression
D. Association of categorical variables
Question 2
Boxplot shows:
A. Frequency counts
B. Scatterplots
C. Median, quartiles, outliers
D. Probability
Question 3
Probability of rolling an even number on a six-sided die?
A. 1/2
B. 2/3
C. 1/6
D. 1/3
Question 4
Uniform distribution 0-10: P(X < 4) = ?
A. 0.4
B. 0.6
C. 0.25
D. 0.5
Question 5
Null hypothesis for a new drug shows no effect. True statement?
A. Cannot test
B. Drug is effective
C. Assume no effect until evidence suggests otherwise
D. Drug is ineffective for sure
Solutions:
| Question 1 Answer: D | Question 2 Answer: C | Question 3 Answer: A | Question 4 Answer: A | Question 5 Answer: C |
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