Statistics for Business & Economics, Revised (MindTap Course List)
Statistics for Business & Economics, Revised (MindTap Course List)
12th Edition
ISBN: 9781285846323
Author: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams, Jeffrey D. Camm, James J. Cochran
Publisher: South-Western College Pub
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Chapter 18.4, Problem 26E

A sample of 15 consumers provided the following product ratings for three different products. Five consumers were randomly assigned to test and rate each product. Use the Kruskal-Wallis test and α = .05 to determine whether there is a significant difference among the ratings for the products.

Product
A B C
50 80 60
62 95 45
75 98 30
48 87 58
65 90 57
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A sample of 15 consumers provided the following product ratings for three different products. Five consumers were randomly assigned to test and rate each product. Product A B C 59 89 69 63 94 44 74 98 39 48 80 58 64 99 50   Use the Kruskal-Wallis test and ? = 0.05 to determine whether there is a significant difference among the ratings for the products. State the null and alternative hypotheses. -H0: MedianA = MedianB = MedianCHa: MedianA < MedianB > MedianC -H0: MedianA ≠ MedianB ≠ MedianCHa: MedianA = MedianB = MedianC     -H0: MedianA = MedianB = MedianCHa: MedianA ≠ MedianB ≠ MedianC -H0: All populations of product ratings are identical.Ha: Not all populations of product ratings are identical. -H0: Not all populations of product ratings are identical.Ha: All populations of product ratings are identical. Find the value of the test statistic. Answer=??   Find the p-value. (Round your answer to three decimal places.) p-value =??   State your conclusion.…
A sample of 15 consumers provided the following product ratings for three different products. Five consumers were randomly assigned to test and rate each product. Use the Kruskal-Wallis test and α = .05 to determine whether there is a significant difference among the ratings for the products.   Product A B C 50 80 60 62 95 45 75 98 30 48 87 58 65 90 57
a major cereal manufacturer is awarding prize certificates in  its #1 cereal. a random sample of 60 cereal boxes is selected and 5 are found to contain prize certificates. find the 90% C.I for  the true proportion of prize certificates.

Chapter 18 Solutions

Statistics for Business & Economics, Revised (MindTap Course List)

Ch. 18.1 - Competition in the personal computer market is...Ch. 18.2 - Two fuel additives are tested to determine their...Ch. 18.2 - A sample of 10 men was used in a study to test the...Ch. 18.2 - Percents of on-time arrivals for flights in the...Ch. 18.2 - A test was conducted for two overnight mail...Ch. 18.2 - The PGA Players Championship was held at the...Ch. 18.2 - The Scholastic Aptitude Test (SAT) consists of...Ch. 18.3 - Two fuel additives are being tested to determine...Ch. 18.3 - Samples of starting annual salaries for...Ch. 18.3 - The gap between the earnings of men and women with...Ch. 18.3 - Prob. 21ECh. 18.3 - Each year Bloomberg Businessweek publishes...Ch. 18.3 - Police records show the following numbers of daily...Ch. 18.3 - A certain brand of microwave oven was priced at 10...Ch. 18.3 - Prob. 25ECh. 18.4 - A sample of 15 consumers provided the following...Ch. 18.4 - Three admission test preparation programs are...Ch. 18.4 - Forty-minute workouts of one of the following...Ch. 18.4 - Cond Nast Traveler magazine conducts an annual...Ch. 18.4 - A large corporation sends many of its first-level...Ch. 18.4 - The better-selling candies are often high in...Ch. 18.5 - Consider the following set of rankings for a...Ch. 18.5 - Prob. 33ECh. 18.5 - Prob. 34ECh. 18.5 - A national study by Harris Interactive, Inc.,...Ch. 18.5 - Prob. 36ECh. 18.5 - A student organization surveyed both current...Ch. 18 - A survey asked the following question: Do you...Ch. 18 - Due to a recent decline in the housing market, the...Ch. 18 - Twelve homemakers were asked to estimate the...Ch. 18 - Prob. 41SECh. 18 - The following data are product weights for the...Ch. 18 - A client wants to determine whether there is a...Ch. 18 - Prob. 44SECh. 18 - Prob. 45SECh. 18 - Prob. 46SECh. 18 - Prob. 47SE
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