By combining cells that have expected frequencies smaller than five, we guard against having an inflated test statistic that could have led us to incorrectly accept the null hypothesis.

Question

Quizplus · Accepted Answer

Combining cells with expected frequencies smaller than five is done to avoid violating the assumptions of the chi-square test, which could lead to incorrectly rejecting the null hypothesis, not accepting it.

By Combining Cells That Have Expected Frequencies Smaller Than Five