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

The following sample data are from a normal population: 10,8 ,12 ,15 ,13 ,11 ,6 ,5 .

What is the point estimate of the population standard deviation ?

With 95% confidence, what is the margin of error for the estimation of the population mean ?

What is the 95% confidence interval for the population mean?

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