Setting Up a Chi-Square Goodness of Fit Test

AP Statistics· difficulty 1/5

A goodness-of-fit test compares observed frequencies in 6 categories to a hypothesized distribution.

What are the degrees of freedom?

Explanation

For a chi-square goodness-of-fit test, df = k - 1 where k is the number of categories. Here k = 6, so df = 5.

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