The chi-square goodness of fit test will be valid if each of the expected cell frequencies is ______________.
A)Greater than 0
B)Less than 5
C)Between 0 and 5
D)At least 1
E)At least 5

Question

Quizplus · Accepted Answer

The general rule of thumb is that each expected cell frequency should be at least 5 for the chi-square goodness of fit test to be valid. This gives enough data for the test to be reliable and accurate. Therefore, choice E (at least 5) is the best option.

The Chi-Square Goodness of Fit Test Will Be Valid If