See Problem 15. A restaurant critic ranks restaurants as excellent, good, fair, or poor. We want to

Question:

See Problem 15. A restaurant critic ranks restaurants as excellent, good, fair, or poor. We want to judge whether two restaurant critics have the same distribution of opinions. The opinions of critic A regarding 15 randomly selected restaurants are presented together with the opinions of critic B regarding 15 randomly selected restaurants (the samples are independent).

Critic A Excellent Good Fair Fair Poor Excellent Good Good Fair Fair Excellent Poor Fair Good Fair Critic B Fair Good Fa

Do the following to test the belief that the opinions of each critic are equivalent.
(a) Rank the opinions in ascending order (excellent first, then good, and so on).
(b) Perform a two-tailed test on the hypotheses
H0: the opinions given are equivalent
H1: the opinions given are different
by following Steps 1 through 5 (box-plots cannot be drawn).

Distribution
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