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? c.  With 95% confidence, what is the margin of error for the estimation of the population mean? d.  What is the 95% confidence interval for the population mean?

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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? c.  With 95% confidence, what is the margin of error for the estimation of the population mean? d.  What is the 95% confidence interval for the population mean?

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