A chi-square test for independence is being used to evaluate the relationship between two variables, one of which is classified into 3 categories and the second of which is classified into 4 categories.The chi-square statistic for this test would have df equal to ______.
A)6
B)7
C)10
D)11

Question

Quizplus · Accepted Answer

The degrees of freedom (df) for a chi-square test for independence is calculated as (number of categories in variable 1 - 1) * (number of categories in variable 2 - 1). Here, (3-1)*(4-1) = 2*3 = 6.

A Chi-Square Test for Independence Is Being Used to Evaluate