Gourmet Cooking Two gourmets, Aand B, rated 22 meals on a
Chapter 15, Problem 18(choose chapter or problem)
Gourmet Cooking Two gourmets, Aand B, rated 22 meals on a scale of 110. Thedata are shown in the table. Do the data provide sufficientevidence to indicate that one of the gourmetstends to give higher ratings than the other? Test byusing the sign test with a value of a near .05.Meal A B Meal A B1 6 8 12 8 52 4 5 13 4 23 7 4 14 3 34 8 7 15 6 85 2 3 16 9 106 7 4 17 9 87 9 9 18 4 68 7 8 19 4 39 2 5 20 5 410 4 3 21 3 211 6 9 22 5 3a. Use the binomial tables in Appendix I to find theexact rejection region for the test.b. Use the large-sample z statistic. (NOTE: Althoughthe large-sample approximation is suggested forn 25, it works fairly well for values of n as smallas 15.)c. Compare the results of parts a and b.
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