Unit 8: Inference for Categorical Data — Chi-Square

Chi-square tests for goodness-of-fit, independence, and homogeneity

This section contains 2 topics with 0 subtopics, 8 practice problems and 16 flashcards. Each topic includes comprehensive written notes, worked examples with detailed solutions, and interactive lessons for hands-on practice.

Topics Covered

• Chi-Square Tests — Perform chi-square tests for goodness of fit, homogeneity, and independence.
• Chi-Square Tests for Independence and Homogeneity — Chi-square test for independence (one sample, two categorical variables) and for homogeneity (multiple independent samples), including expected counts, degrees of freedom, and conditions.

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