The data to the right contain the state cigarette tax (in $) for all 20 regions of a country. 1.25 1.75 2.50 0.44 1.03 Complete parts (a) and (b). 0.64 3.00 0.57 2.00 0.80 1.66 0.98 0.36 2.23 4.35 0.60 2.70 1.78 1.41 0.87 a. Compute the population mean and population standard deviation for the regional cigarette taxes. The population mean is u =]. Round to two decimal places as needed.) |