If we use the $\chi$² goodness-of-fit to test for the differences among 4 proportions,the degrees of freedom is equal to: A) 3 B) 4 C) 5 D) None of these choices.

Question

Quizplus · Accepted Answer

The degrees of freedom for a chi-square goodness-of-fit test is calculated as the number of categories minus one. Since there are 4 proportions, the degrees of freedom is 4 - 1 = 3.

If We Use The χ\chiχ 2 Goodness-Of-Fit to Test for the Differences Among 4 Proportions,the

If We Use The $\chi$ ² Goodness-Of-Fit to Test for the Differences Among 4 Proportions,the