Question: 13. The following sample data are from a normal population: 10, 8, 12, 15, 13, 11, 6, 5. a. What is the point estimate of

13. 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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