A survey of 20 items in a sales ledger has a mean value of 100 and standard

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A survey of 20 items in a sales ledger has a mean value of €100 and standard deviation of €20. What is the 95% confidence interval for the population of items? What is the 99% confidence interval?

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Quantitative Methods For Business

ISBN: 978-0273739470

5th edition

Authors: Donald Waters

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Question Posted: Sep 20, 2012 12:33 AM

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A survey of 20 items in a sales ledger has a mean value of 100 and standard

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x 100 and s 20 With a small sample 20 we have to u...View the full answer

Quantitative Methods For Business

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