U8.4 Chi-Square for Two-Way Tables
Compute expected counts in a two-way table: E = (row total · col total) / grand total. Distinguish chi-square test for HOMOGENEITY (multiple populations) vs INDEPENDENCE (one population, two variables). df = (r − 1)(c − 1).
What you'll do in this lesson
A voice-first session with the Crimsora tutor on U8.4 Chi-Square for Two-Way Tables, then targeted practice and FRQs — with the tutor adapting to where you get stuck.