A chi-square test for goodness-of-fit for which there are four categories and 20 participants would have _____ degrees of freedom.
A) 57
B) 19
C) 16
D) 3

Question

Quizplus · Accepted Answer

The degrees of freedom for a chi-square test for goodness-of-fit are calculated as the number of categories minus one. Therefore, with four categories, the degrees of freedom would be 4 - 1 = 3.

A Chi-Square Test for Goodness-Of-Fit for Which There Are Four