SOLUTION: Using excel If X = 85, σ = 8, and n = 64, construct a 95% confidence interval estimate of the population mean, µ.

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Question 767168: Using excel If X = 85, σ = 8, and n = 64, construct a 95% confidence interval estimate of the population mean, µ.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Using excel If X-bar = 85, σ = 8, and n = 64, construct a 95% confidence interval estimate of the population mean, µ.
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sample mean = x-bar = 85
ME = z*s/sqrt(n) = 1.96*8/sqrt(64) = 1.96
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95% CI::: 85-1.96 < u < 85+1.96
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Cheers,
Stan H.
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