AP Statistics: AP Statistics - Chi Square Quiz

The chi-square distribution has a variety of uses in Statistics. The AP exam concentrates on one-way and two-way tables containing counts of categorical data. You should be familiar with the goodness of fit hypothesis test for a one-way table and the hypothesis test for independence or homogeneity for a two-way table. Know how to calculate the expected value for a given cell in a table. Know the formulas for calculating the number of degrees of freedom for both one-way and two-way tables.