9 min read
This AP Statistics study guide covers chi-squared tests for categorical data, focusing on choosing the correct test: Goodness of Fit, Independence, and Homogeneity. It explains how to identify the appropriate test based on the number of samples and variables, provides practice problems and FRQs, and emphasizes writing hypotheses in context. The guide also reviews conditions for inference and offers exam tips.
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Question 1 of 10
🎲 A researcher is investigating whether a die is fair by rolling it 60 times and observing the frequency of each number. Which test should they use?
Chi-squared test for independence
Chi-squared test for homogeneity
Chi-squared test for goodness of fit
Two sample t-test