Unit 6 — Proportions · 100 Selected-Response Questions
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Section Breakdown
Section
Topic
Questions
Suggested Time
I
Logic of Confidence Intervals
18
25 min
II
Logic of Hypothesis Testing — H₀, Hₐ, p-value
14
20 min
III
One-Proportion z-Interval / z-Test
25
35 min
IV
Two-Proportion z-Interval / z-Test
23
32 min
V
Type I / II Errors and Power
20
28 min
Total
100
140 min
Instructions. Questions are arranged from easiest to hardest and are intentionally interleaved across all five sections so that concepts reinforce one another as you progress. Select your answer for each question; a short explanation appears immediately below your choice. Use the Hint link only if you are stuck — try the concept check first. This booklet may be completed on screen or printed; an answer key is included on the final page of the printed version only.