THIS QUESTION NEEDS TO BE SOLVED .THANKS YOU

You may need to use the appropriate appendix table or technology to answer this question. The following sample data are from a normal population: 9, 7, 11, 14, 12, 10, 5, 4. (a) (b) (C) (d) What is the point estimate of the population mean? What is the point estimate of the population standard deviation? (Round your answer to three decimal places.) With 95% condence, what is the margin of error for the estimation of the population mean? (Round your answer to one decimal place.) What is the 95% confidence interval for the population mean? (Round your answer to one decimal place.) to Need Help