Asked by Stephanie

What is a 95% confidence interval for mue, the population mean time the postal service employees have spent with the postal service?
n=100
mean=7
S=2 years

Answers

Answered by PsyDAG
Standard error of the mean (SE) = S/square root of n

95% confidence interval for μ = mean ± 2SE

I hope this helps. Thanks for asking.
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