A management consulting agency needs to estimate the average number of years of experience of executives in
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A management consulting agency needs to estimate the average number of years of experience of executives in a given branch of management. A random sample of 28 executives gives x-bar = 6.7 years and s = 2.4 years. Give a 99% confidence interval for the average number of years of experience for all executives in this branch.
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Related Book For 
Complete Business Statistics
ISBN: 9780077239695
7th Edition
Authors: Amir Aczel, Jayavel Sounderpandian
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