Which of the following statements is true in the context of a chi-square goodness-of-fit test?
A) The degrees of freedom for determining the critical value will be the number of categories minus 1.
B) The critical value will come from the standard normal table if the sample size exceeds 30.
C) The null hypothesis will be rejected for a small value of the test statistic.
D) A very large test statistic will result in the null not being rejected.

Question

Quizplus · Accepted Answer

The degrees of freedom for a chi-square goodness-of-fit test are calculated as the number of categories minus one. This is because the expected frequencies are calculated based on the total sample size and the proportions specified in the null hypothesis, leaving one less category to freely vary.

Which of the Following Statements Is True in the Context