The file CEO-Compensation includes the total compensation (in millions of $) of CEOs of 197 large public companies and the investment return in 2009. Complete the following for the total compensation (in $).
a. Compute the mean, median, first quartile, and third quartile.
b. Compute the range, interquartile range, variance, standard deviation, and coefficient of variation.
c. Construct a boxplot. Are the data skewed? If so, how?
d. Based on the results of (a) through (c), what conclusions can you reach concerning the total compensation (in $millions) of CEOs?
e. Compute the correlation coefficient between compensation and the investment return in 2009.
f. What conclusions can you reach from the results of (e)?