A goodness-of-fit test is
A) only used when we want to test the hypothesis that the categories are equally represented.
B) used when we want to test the hypothesis that some categories are more frequent that others.
C) used to test the null hypothesis that the data are distributed in a way that would be predicted by a theory.
D) probably the most common statistical test we have.

Question

Quizplus · Accepted Answer

A goodness-of-fit test is used to test the null hypothesis that the data are distributed in a way that would be predicted by a theory, such as a normal distribution. It is not limited to testing for equal representation of categories or for identifying more frequent categories. While it is a common statistical test, it is not necessarily the most common.

A Goodness-Of-Fit Test Is