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Average number of years of experience for all executives

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Reference no: EM131694147

Question: 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¯ =  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.

Reference no: EM131694147

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