College basketball is big business, with coaches' salaries, revenues, and expenses in millions of dollars. The file

Question:

College basketball is big business, with coaches' salaries, revenues, and expenses in millions of dollars. The file contains the coaches" salaries and revenues for college basketball at 60 of the 65 schools that played in the 2009 NCAA men's basketball tournament.
a. Compute the covariance.
b. Compute the coefficient of correlation.
c. Based on (a) and (b), what conclusions can you reach about the relationship between coaches' salaries and revenues?