A Chi-Square Test for Homogeneity Applies To

A chi-square test for homogeneity applies to:

A) data from a single random sample where two variables are recorded on each sample.
B) data from samples from two or more populations where each sample is classified by values of a single categorical variable.
C) data from a single random sample where three or more variables are recorded on each sample.
D) data from samples from two or more populations where each sample is classified by values of two categorical variables.