In conducting a goodness-of-fit test, a requirement is that __________________________.
A) The observed frequency must be at least five for each category.
B) The expected frequency must be at least five for each category.
C) The observed frequency must be at least ten for each category.
D) The expected frequency must be at least ten for each category.

Question

Quizplus · Accepted Answer

The requirement for a goodness-of-fit test is that the expected frequency must be at least five for each category to ensure the validity of the chi-square approximation to the distribution of the test statistic.

In Conducting a Goodness-Of-Fit Test, a Requirement Is That __________________________