**Distribution and Usage**

Given the null hypothesis that the observed frequencies result from random sampling from a distribution with the given expected frequencies, the distribution of *G* is approximately a chi-squared distribution, with the same number of degrees of freedom as in the corresponding chi-squared test.

For very small samples the multinomial test for goodness of fit, and Fisher's exact test for contingency tables, or even Bayesian hypothesis selection are preferable to the *G*-test .

Read more about this topic: G-test

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### Famous quotes containing the words usage and/or distribution:

“I am using it [the word ‘perceive’] here in such a way that to say of an object that it is perceived does not entail saying that it exists in any sense at all. And this is a perfectly correct and familiar *usage* of the word.”

—A.J. (Alfred Jules)

“Classical and romantic: private language of a family quarrel, a dead dispute over the *distribution* of emphasis between man and nature.”

—Cyril Connolly (1903–1974)