11.The data to the right contain the state cigarette tax($) for 20 states as of July1, 2010.

Complete parts(a) and(b).

1.361.702.510.441.00

0.643.460.572.000.79

1.600.980.302.234.35

0.602.701.781.410.87

a. Compute the population mean and population standard deviation for the state cigarette tax.

The population mean is =_________________(Round to two decimal places asneeded.)

The population standard deviation =_______________(Round to three decimal places asneeded.)

b. Interpret the parameters in(a)

A. The population mean is the average amount of state cigarette tax. The population standard deviation represents the amount of spread in the state cigarette tax around the median.

B. The population median is the average amount of state cigarette tax. The population standard deviation represents the amount of spread in the state cigarette tax around the median.

C. The population standard deviation is the average amount of state cigarette tax. The population mean represents the amount of spread in the state cigarette tax around the standard deviation.

D. The population mean is the average amount of state cigarette tax. The population standard deviation represents the amount of spread in the state cigarette tax around the mean.