An executive placement service needs to estimate the average salary of executives placed in a given industry.
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An executive placement service needs to estimate the average salary of executives placed in a given industry. A random sample of 40 executives gives x-bar = $42,539 and s = $11,690. Give a 90% confidence interval for the average salary of an executive placed in this industry.
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Related Book For
Complete Business Statistics
ISBN: 9780077239695
7th Edition
Authors: Amir Aczel, Jayavel Sounderpandian
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