A χ² goodness-of-fit test can be done when the expected value in one or more categories is less than 1 as long as long as at least one category has an expected value larger than 5.

Question

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For a chi-square goodness-of-fit test, all expected frequencies should be at least 1, and ideally, no more than 20% of the expected frequencies should be less than 5.

A χ2 Goodness-Of-Fit Test Can Be Done When the Expected

A χ² Goodness-Of-Fit Test Can Be Done When the Expected