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Find the best estimates for the mean of the following ages and the standard deviation 18 18 19 44 19 22 19 20 55 27

Find the best estimates for the mean of the following ages and the standard deviation 18 18 19 44 19 22 19 20 55 27 26 42 42 24 23 23 17 22 15 22 19 19 20 38 26 22 20 33 69 17 22 22 33 33 27 Construct a 90% confidence interval for each

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