9 min read
This AP Statistics study guide covers chi-square tests, focusing on choosing between tests for independence and homogeneity. It explains how to state hypotheses, verify conditions for inference (including the large counts condition), and interpret p-values. The guide includes practice multiple-choice and free-response questions with solutions and emphasizes common exam pitfalls and high-value topics.
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Question 1 of 10
A researcher is studying the relationship between coffee consumption (Low, Medium, High) and sleep quality (Good, Poor) among a group of college students. ☕ Which chi-square test is most appropriate?
Chi-square test for homogeneity
Two-sample t-test
Chi-square test for independence
One-sample z-test for proportions