For the following data calculate the mean and standard deviation for the sample. Then calculate both a 95% and a 99% confidence interval for the popular mean.

12,22,23,19,20,15,16,22,19,23,18,20,21,14,16,13,14,12,19,19,18,17

12,22,23,19,20,15,16,22,19,23,18,20,21,14,16,13,14,12,19,19,18,17

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