Two of the teams competing in the America's Cup race are American Magic and Australia I....
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Two of the teams competing in the America's Cup race are American Magic and Australia I. They race their boats over a part of the course several times. Following are a sample of times in minutes for each boat. Assume the population standard deviations are not the same. At the .05 significance level, can we conclude that there is a difference in their mean times? Boat Time (minutes) Australia II 12.9 12.5 11.0 13.3 11.2 11.4 11.6 12.3 14.2 11.3 American Magic 14.1 14.1 14.2 17.4 15.8 16.7 16.1 13.3 13.4 13.6 10.8 19.0 a. What are the null and alternate hypotheses? b. Compute the test statistic. c. Compute the p-value. d. What is your decision regarding the null hypothesis? e. Interpret the result. Two of the teams competing in the America's Cup race are American Magic and Australia I. They race their boats over a part of the course several times. Following are a sample of times in minutes for each boat. Assume the population standard deviations are not the same. At the .05 significance level, can we conclude that there is a difference in their mean times? Boat Time (minutes) Australia II 12.9 12.5 11.0 13.3 11.2 11.4 11.6 12.3 14.2 11.3 American Magic 14.1 14.1 14.2 17.4 15.8 16.7 16.1 13.3 13.4 13.6 10.8 19.0 a. What are the null and alternate hypotheses? b. Compute the test statistic. c. Compute the p-value. d. What is your decision regarding the null hypothesis? e. Interpret the result.
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Related Book For
Statistical Techniques in Business and Economics
ISBN: 9781260239478
18th Edition
Authors: Douglas Lind, William Marchal, Samuel Wathen
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