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For the Data Set Shown Below, Calculate the Following Values

Question 4

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For the data set shown below, calculate the following values: sample mean, 95% confidence interval for the population mean, sample variance, 95% confidence interval for the population variance, sample standard deviation, approximate 95% confidence interval for the population standard deviation.
Data:
223334444455555556666677788\begin{array}{llllllllll}2 & 2 & 3 & 3 & 3 & 4 & 4 & 4 & 4 & 4 \\5 & 5 & 5 & 5 & 5 & 5 & 5 & 6 & 6 & 6 \\6 & 6 & 7 & 7 & 7 & 8 & 8 & & &\end{array}

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