The personnel manager of a firm with 200 employees has, Ask an Expert

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The personnel manager of a firm with 200 employees has selected a simple random sample of 40 employees and examined their health-benefit claims over the past year. The average amount claimed during the year was $260, with a standard deviation of $80.

Construct and interpret the 95% confidence interval for the population mean. Was it necessary to make any assumptions about the shape of the population distribution? Explain.

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M92215035

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