Chi-Square Analysis of a Contingency Table Provides the Answer to the Question

Multiple Choice

Chi-square analysis of a contingency table provides the answer to the question

A) is there a difference among the categories of a variable?
B) is there a difference among the categories of one variable, and also among categories of a second variable?
C) is there a relationship between two variables?
D) are the categories of one variable the same as those of the other variable?