The file includes the total compensation (in $) of CEOs of 197 large public companies and their investment return in 2009.
a. Compute the correlation coefficient between compensation and the investment return in 2009.
b. At the 0.05 level of significance, is the correlation between compensation and the investment return in 2009 statistically significant?
c. Write a short summary of your findings in (a) and (b). Do the results surprise you?