The data to the right contain the state cigarette tax​ (in $) for all 20 regions of a country. 1.36 1.70 2.51 0.45 1.03 0.64 3.46 0.55 2.00 0.79 1.60 0.98 0.36 2.23 4.35 0.62 2.70 1.78 1.41 0.87 a. Compute the population mean and population standard deviation for the regional cigarette taxes.

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