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StatisticsInferential Statistics

State the Requirements to Perform a Chi-Square Goodness-of-Fit Test

Check the four introductory requirements for a chi-square goodness-of-fit test: random independent observations, categorical counts, a specified null distribution, and adequate expected counts.

Question

State the requirements to perform a chi-square goodness-of-fit test.

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Evidence boundary

This answer uses the introductory chi-square goodness-of-fit conditions stated in the cited Pearson and Penn State materials. It does not claim that the same checklist applies to every test called a ‘goodness-of-fit test,’ and it does not replace course-specific guidance for small expected counts or fitted parameters.