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There brands of batteries are under study. It is suspected that the lives (in weeks) of the three brands are different. Five batteries of each brand are tested with the following results: Weeks of Life Brand 2 Brand 1 Brand 3 100 96 76 108 80 75 84 82 100 92 96 96 98 100 92 Assume that all assumptions to perform an ANOVA test are satisfied. (a) (b) (c) Are the lives of these brands of batteries different? Use a =0.05 Construct a 95% interval estimate on the mean life of battery brand 2. Construct a 99% interval estimate on the mean difference between the lives of battery brands 3 and 2.

There brands of batteries are under study. It is suspected that the lives (in weeks) of the three brands are different. Five batteries of each brand are tested with the following results: Weeks of Life Brand 2 Brand 1 Brand 3 100 96 76 108 80 75 84 82 100 92 96 96 98 100 92 Assume that all assumptions to perform an ANOVA test are satisfied. (a) (b) (c) Are the lives of these brands of batteries different? Use a =0.05 Construct a 95% interval estimate on the mean life of battery brand 2. Construct a 99% interval estimate on the mean difference between the lives of battery brands 3 and 2.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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There brands of batteries are under study. It is suspected that the lives (in weeks) of the three brands are different. Five batteries of each brand are tested with the following results: Weeks of Life Brand 2 Brand 1 Brand 3 100 76 108 100 96 96 80 92 75 96 84 98 92 82 100 Assume that all assumptions to perform an ANOVA test are satisfied. (a) (b) (c) Are the lives of these brands of batteries different? Use a = 0.05 Construct a 95% interval estimate on the mean life of battery brand 2. Construct a 99% interval estimate on the mean difference between the lives of battery brands 3 and 2.
Transcribed Image Text:There brands of batteries are under study. It is suspected that the lives (in weeks) of the three brands are different. Five batteries of each brand are tested with the following results: Weeks of Life Brand 2 Brand 1 Brand 3 100 76 108 100 96 96 80 92 75 96 84 98 92 82 100 Assume that all assumptions to perform an ANOVA test are satisfied. (a) (b) (c) Are the lives of these brands of batteries different? Use a = 0.05 Construct a 95% interval estimate on the mean life of battery brand 2. Construct a 99% interval estimate on the mean difference between the lives of battery brands 3 and 2.
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