Refer to Exercise 6.59. The company officials decided to use the separate-variance t test in deciding whether
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The company officials decided to use the separate-variance t test in deciding whether the mean potency of the drug after 1 year of storage was different from the mean potency of the drug from current production. Provide evidence that their decision in fact was correct.
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Saple 10 105 10.3 108 9.8 106 10.7 10.2 100 10.6 Sample 2 9.89.6 101 102 10 9.7 95 9.6 9.8 9.9
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A comparison of the population variances yields Thu…View the full answer
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Related Book For
An Introduction To Statistical Methods And Data Analysis
ISBN: 9781305465527
7th Edition
Authors: R. Lyman Ott, Micheal T. Longnecker
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