The chi-square goodness of fit test can only be used to test whether a population has specified multinomial probabilities or to test if a sample has been selected from a normally distributed population.It cannot be applied to test if a sample data set comes from other distribution forms such as Poisson.

Question

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The chi-square goodness of fit test can be used to test whether a population has specified probabilities for a variety of distributions, including the Poisson, as long as certain assumptions are met.

The Chi-Square Goodness of Fit Test Can Only Be Used