Question: You may need to use the appropriate appendix table or technology to answer this question. The following sample data are from a normal population:

You may need to use the appropriate appendix table or technology to

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) What is the point estimate of the population mean? (b) What is the point estimate of the population standard deviation? (Round your answer to three decimal places.) (c) with 95% confidence, what is the margin of error for the estimation of the population mean? (Round your answer to one decimal place.) (d) What is the 95% confidence interval for the population mean? (Round your answer to one decimal place.)

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