A chi-square test for independence is used to evaluate the relationship between two variables.If both variables are classified into 2 categories,then what is the df value for the chi-square statistic?
A)df = 1
B)df = 2
C)df = 3
D)Cannot determine the value of df from the information provided

Question

Quizplus · Accepted Answer

When both variables are classified into 2 categories, the df value for the chi-square statistic is 1.

A Chi-Square Test for Independence Is Used to Evaluate the Relationship