Consider a multinomial experiment with 200 trials, and the outcome of each trial can be classified into one of 5 categories. The number of degrees of freedom associated with the chi-square goodness-of-fit test equals:

Question

Quizplus · Accepted Answer

For a chi-square goodness-of-fit test with k categories and n independent trials, the degrees of freedom is (k-1). In this case, there are 5 categories, so k=5. Therefore, the degrees of freedom is (5-1) = 4.

Consider a Multinomial Experiment with 200 Trials, and the Outcome