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  3. the following sample data are from a normal popula

The following sample data are from a normal population: 10, 9, 12, 14, 13, 11, 7,...

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Basic Math

The following sampledata are from a normal population: 10, 9, 12, 14, 13, 11, 7, 4.

a. What is the pointestimate of the population mean?

b. What is the pointestimate of the population standard deviation (to 2 decimals)?

c. With 95%confidence, what is the margin of error for the estimation of thepopulation mean (to 1 decimal)?

d. What is the 95%confidence interval for the population mean (to 1 decimal)?
( , )

Answer & Explanation Solved by verified expert
4.2 Ratings (527 Votes)
SolutionWe are given a data of sample size n1010 9 12 14 13 11 7 4a we know the sample mean is the point estimate of thepopulation mean 10912141311748 808 100 is the point    See Answer
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