A researcher wishes to compare criminal defendants from three self-reported social classes (lower, middle, and upper) on the outcomes of their criminal trial (guilty vs. innocent). What would be the degrees of freedom for conducting a chi square test?
A) 2
B) 3
C) 6
D) 12

Question

Quizplus · Accepted Answer

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

A Researcher Wishes to Compare Criminal Defendants from Three Self-Reported