A chi-square test should not be used if any expected frequency is less than five.

Name: A chi-square test should not be used if any expected frequency is less than five.
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Question

A chi-square test should not be used if any expected frequency is less than five.​

Quizplus · Accepted Answer

This is a general rule of thumb, as when expected frequencies are less than five the chi-square distribution may not be well approximated, leading to incorrect conclusions from the test. In such cases, alternative tests (such as Fisher's exact test) may be more appropriate.

A Chi-Square Test Should Not Be Used If Any Expected