The chi-square test of a contingency table is valid when the expected cell frequencies are ________.
A) equal to 0
B) more than 0 but less than 5
C) at least 5
D) negative

Question

Quizplus · Accepted Answer

The chi-square test of a contingency table is valid when the expected cell frequencies are at least 5. If the expected cell frequency is less than 5, it can result in inaccurate p-values and incorrect conclusions. Therefore, choice C is the best option as it is the minimum threshold for the validity of the chi-square test.

The Chi-Square Test of a Contingency Table Is Valid When