Topic: Chi-square tests for categorical data

Stating Hypotheses for a Test of Homogeneity

Common Mistakes in Choosing and Stating Chi-Square Tests

Categorical Variables and Two-Way Tables

Interpreting Association Versus Independence in a Table

Why Chi-Square Is Needed Beyond Two Proportions

Shape of Chi-Square Distributions

Exam Practice Identifying Chi-Square Procedures and Hypotheses

Entering Two-Way Data Into a Matrix on the Calculator

Degrees of Freedom for a Two-Way Table

Chi-Square Distribution Table Versus Calculator Probabilities