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Point estimate of the population standard deviation

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The following sample data are from a normal population: 10, 8, 12, 15, 13, 11, 6, 5.

a. What is the point estimate of the population standard deviation (to 2 decimals)?

b. With 95% confidence, what is the margin of error for the estimation of the population mean (to 1 decimal)?

c. What is the 95% confidence interval for the population mean (to 1 decimal)?

Reference no: EM131203895

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