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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

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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 mean? b. What is the point estimate of the population standard deviation (to 2 decimals)? c. With 95% confidence, what is the margin of error for the estimation of the population mean (to 1 decimal)? d. What is the 95% confidence interval for the population mean (to 1 decimal)

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