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Estimate the population mean based on a sample of size 25

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Estimate the population mean based on a sample of size 25 for which the average is 100 and the standard deviation is 25. Answer the following questions about constructing the 80 percent confidence interval for the population mean.

What is the best point estimate of mean?

What value of z/t should be used for this interval?

What is the standard error for this interval?

What is the margin of error for this interval?

What is the low value for this interval?

What is the high value for this interval?

Reference no: EM13612342

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