Estimate of the unknown population mean


Discussion:

Q: A sample of n=16 scores is obtained from an unknown population. The sample has a mean of M=46 with SS=6000.

a. Use the sample data to make an 80% confidence interval estimate of the unknown population mean.

b. Make a 90% confidence interval estimate of μ

c. Make a 95% confidence interval estimate of μ

d. In general, how is the width of a confidence interval related to the percentage of confidence?

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Basic Statistics: Estimate of the unknown population mean
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