A chi-square goodness-of-fit-test is being used to determine if the observed frequencies and the expected frequencies from six categories are significantly different.If no parameters are estimated from the data,what is the number of degrees of freedom for this test?
A)5
B)6
C)4
D)2

Question

Quizplus · Accepted Answer

The number of degrees of freedom for a chi-square goodness-of-fit test is calculated as the number of categories minus one. Since there are six categories, the degrees of freedom would be 6 - 1 = 5.

A Chi-Square Goodness-Of-Fit-Test Is Being Used to Determine If the Observed