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Interval estimate of the population mean score

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Reference no: EM131868877

1. The average score on an employee satisfaction survey is found to be 3.75 (out of 5). The sample standard deviation is 1.24. These two statistics are calculated from a random sample of 25 employees in a mid-size professional firm.

a. With 95% confidence, what is the margin of error?

b. What is the 95% confidence interval estimate of the population mean score?

Reference no: EM131868877

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