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.What is the df value for the chi-square statistic?
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 rows - 1) * (number of categories in the second variable - 1), which in this case is (3-1)*(4-1) = 2*3 = 6.

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