AP Statistics Flashcards: Chi Square Homogeneity Or Independence Test

Study Chi Square Homogeneity Or Independence Test in AP Statistics with focused flashcards that help you recognize the idea, recall the key rule, and apply it in practice-style prompts.

QUESTION

What does the pp-value represent in a chi-square test?

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ANSWER

The probability of observing a test statistic as extreme as the observed. Measures the strength of evidence against the null hypothesis.

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AP Statistics: Inference for Categorical Data: Chi-Square

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What this deck covers

This deck focuses on Chi Square Homogeneity Or Independence Test, giving you a quick way to review the definitions, rules, and examples that matter most for AP Statistics.

How to use these flashcards

Work through these flashcards in short sessions. Try to answer each prompt before flipping the card, then revisit any cards you miss until the explanation feels automatic.

Practice questions

1 of 27Practice questions for this set
A researcher wants to compare preferred news source across two age groups. Independent random samples of adults ages 18–34 and ages 35+ were surveyed, and each person selected one primary news source (TV, Online, Print). A chi-square test of homogeneity was performed at α=0.05\alpha=0.05. The observed counts and p-value are shown. What conclusion is appropriate?
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