When testing for a normal distribution with the chi- square goodness- of- fit test with a sample size of 100 observations, the number of intervals needed to satisfy the minimum number of expected frequencies is _______ .
A)5
B)The sample size is too small to perform the chi- square goodness- of- fit test.
C)4
D)6

Question

Quizplus · Accepted Answer

To satisfy the minimum number of expected frequencies (at least 5 per interval) with a sample size of 100, you need at least 5 intervals.

When Testing for a Normal Distribution with the Chi- Square