Levine : Page 111 Question 3.11, The file Sedans contains the overall miles per gallon (MPG) of 2015 midsized sedans: 26 38 26 30 24 26 28 28 24 26

Levine : Page 111

Question 3.11,

The file Sedans contains the overall miles per gallon (MPG) of 2015 midsized sedans:

26       38       26       30       24       26       28       28       24       26       24       39

32       23       22       24       28       37       31       40       25       25       33       30

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.

Question 312

a.

                                                                      MPG