A statistical test that allows one to determine whether observed quantities of a specific characteristic differed from the expected value purely by chance.

The chi-square test, likelihood ratio test, and other goodness of fit tests in a family are shown to have monotonic power functions, and hence are unbiased, for testing a simple hypothesis that all ...

Dahiya (1971) offered evidence against using a large number of equally likely groups with the Pearson chi-squared goodness-of-fit test, and indicated that when the number of groups exceeds the sample ...

Goodness-of-fit testing forms a fundamental pillar in statistical methodology, providing robust tools to assess whether observed data conform to a proposed probability distribution. These tests are ...