In a particular chi-square goodness-of-fit test, there are four categories and 650 observations. Use the 0.05 significance level. a. How many degrees of freedom are there? Degrees of freedom b. What is the critical value of chi-square? (Round your answer to 3 decimal places.) Critical value
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The degrees of freedom for a chi-square goodness-of-fit test are calculated as the number of categories minus 1. In this case, there are 4 categories, so the degrees of freedom are: $$ df = 4 - 1 = 3 $$ b. Show more…
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