The file Sedans contains the overall miles per galk (MPG) of 2012 family sedans:
38 24 26 21 25 22 24 34 23 20 37 22 20 33 22 21
a. Compute the mean, median, and mode.
b. Compute the variance, standard deviation, range, coefficient of variation, and Z scores.
c. Are the data skewed? If so, how?
d. Compare the results of (a) through (c) to those of Problem 3.12 (a) through (c) that refer to the miles per gallon of small SUVs.