Exercise 08.13 Algo (Population Mean: Sigma Unknown) The following sample data are from a normal population: 10, 8, 12, 14, 13, 11, 7, 5. a. What is the point estimate of the population mean? b. What...

Extracted text: Exercise 08.13 Algo (Population Mean: Sigma Unknown) The following sample data are from a normal population: 10, 8, 12, 14, 13, 11, 7, 5. a. What is the point estimate of the population mean? b. What is the point estimate of the population standard deviation (to 3 decimals)? SI 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)? DIcon Key Exercise 08.13 Algo (Fopulation Mean: Sigma Unknown)