If you use the χ² method of analysis to test for the differences among 4 proportions,the degrees of freedom are equal to A)3. B)1. C)4. D)5.

Name: If you use the χ 2 method of analysis to test for the differences among 4 proportions,the degrees of freedom are equal to A)3. B)1. C)4. D)5.
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Quizplus · Accepted Answer

The degrees of freedom for a chi-square test with k categories is k - 1. In this case, we have 4 proportions, so the degrees of freedom are 4 - 1 = 3.

If You Use the χ2 Method of Analysis to Test

If You Use the χ² Method of Analysis to Test