If a sample with n = 30 subjects distributed over 5 categories was selected, a chi-square test for goodness-of-fit will be used. How many degrees of freedom will be used in determining the chi-square test statistic?
A) 3
B) 4
C) 5
D) 25

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, which in this case is 5 - 1 = 4.

If a Sample with N = 30 Subjects Distributed Over