The number of degrees of freedom associated with a chi-square based on a 2 × 3 table of counts is
A) 1.
B) 2.
C) 6.
D) Unable to determine without knowing N.

Question

Quizplus · Accepted Answer

The degrees of freedom for a chi-square test based on a contingency table are calculated as (number of rows - 1) * (number of columns - 1). For a 2 × 3 table, this calculation is (2-1) * (3-1) = 1 * 2 = 2.

The Number of Degrees of Freedom Associated with a Chi-Square