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Four assumptions of Chi square tests, goodness of fit, criti

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What are the four assumptions for the chi-square tests?

What are the hypothesis when conducting the chi-square tests for goodness-of-fit?

Why is there just one critical value for a chi-square test even when the hypothesis is a two-tailed test?

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1. The assumptions for the chi-square test are: that it's a random sample, the sample size is sufficiently large, the observations are independent of each other, and that there ...

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The expert provides the four assumptions of chi square test, goodness of fit, and critical value.