College basketball is big business, with coaches' salaries, revenues, and expenses in millions of dollars. The file contains the coaches' salary and revenue for college basketball at 60 of the 65 schools that played in the 2009 NCAA men's basketball tournament (data extracted from "Compensation for Division 1 Men's Basketball Coaches," USA Today, April 2, 2010, p. 8C; and C. Isadore, "Nothing but Net: Basketball Dollars by School," money.cnn.com/2010/03/18/news/companies/ basketball_profits/).
a. Do you think schools with higher revenues also have higher coaches' salaries?
b. Construct a scatter plot with revenue on the X axis and coaches' salaries on the Y axis.
c. Does the scatter plot confirm or contradict your answer to (a)?