The tables list the 10 highest-paid athletes in Major League Baseball and in the National Football League.

Major League Baseball (2014 Season)

Player . . . . . . . . . . . . . . . .. . . . . . . . . . . . .Salary (millions of dollars) 

1. Clayton Kershaw . . . . . . . . . . . . . . . .. . . . . . . . . . . . .  32.6 

2. Justin Verlander . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . 28.0

3. Josh Hamilton . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . .  25.4

4. Cliff Lee . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . .  25.0

5. Ryan Howard . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . .  25.0

6. Zack Greinke . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . 25.0

7. Felix Hernandez . . . . . . . . . . . . . . . .. . . . . . . . . . . . . 24.9

8. Albert Pujols . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . 24.0

9. Prince Fielder . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . 24.0

10. Robinson Cano . . . . . . . . . . . . . . . .. . . . . . . . . . . .  24.0

National Football League (2014–2015 Season)

Player . . . . . . . . . . . . . . . .. . . . . . . . . . . .  Salary (millions of dollars)

1. Jay Cutler . . . . . . . . . . . . . . . .. . . . . . . . . . . . 17.5

2. Gerald McCoy. . . . . . . . . . . . . . . .. . . . . . . . . 17.5

3. Eli Manning . . . . . . . . . . . . . . . .. . . . . . . . . . . 15.2

4. Peyton Manning . . . . . . . . . . . . . . . .. . . . . . . 15.0

5. Mike Wallace . . . . . . . . . . . . . . . .. . . . . . . . . . 15.0

6. Sam Bradford . . . . . . . . . . . . . . . .. . . . . . . . . .14.0

7. Philip Rivers . . . . . . . . . . . . . . . .. . . . . . . . . . . 13.8

8. Greg Hardy . . . . . . . . . . . . . . . .. . . . . . . . . . . .13.1

9. Ndamukong Suh . . . . . . . . . . . . . . . .. . . . . . . 12.6

10. Ben Roethlisberger . . . . . . . . . . . . . . . .. . . . 12.1

(a) Compute the mean salary of the 10 baseball players and the mean salary of the 10 football players and deter-mine whether your answer in part (a) was correct.

(b) Compute the standard deviation of the salary of the 10 baseball players and the standard deviation of the salary of the 10 football players and determine whether your answer in part (b) is correct. Round each mean to the
nearest tenth to determine the standard deviation.