The tables on page 791 list the 10 highest paid athletes in Major League Baseball and in the National Football League.

Major League Baseball (2018 Season)

Player                                         Salary (millions of dollars)
1. Stephen Strasburg . . . . . . . . . . . . . .  38.3
2. Max Scherzer . . . . . . . . . . . . . . . . . . . 37.4
3. Zack Greinke . . . . . . . . . . . . . . . . . . . . 34.5
4. Mike Trout . . . . . . . . . . . . . . . . . . . . . . 34.1
5. David Price . . . . . . . . . . . . . . . . . . . . . . 31.0
6. Clayton Kershaw . . . . . . . . . . . . . . . . . 31.0
7. Miguel Cabrera . . . . . . . . . . . . . . . . . .  30.0
8. Yeonis Cespedes . . . . . . . . . . . . . . . . .  29.0
9. Justin Verlander . . . . . . . . . . . . . . . . . . 28.0
10. Albert Pujols . . . . . . . . . . . . . . . . . . . . 28.0

National Football League (2019–2020 Season)

Player                                        Salary (millions of dollars)
1. Russell Wilson . . . . . . . . . . . . . . . . . . 35.0
2. Ben Roethlisberger . . . . . . . . . . . . . . 34.0
3. Aaron Rodgers . . . . . . . . . . . . . . . . . . 33.5
4. Matt Ryan . . . . . . . . . . . . . . . . . . . . . .  30.0
5. Kirk Cousins . . . . . . . . . . . . . . . . . . . .  28.0
6. Jimmy Garoppolo . . . . . . . . . . . . . . . . 27.5
7. Matthew Stafford . . . . . . . . . . . . . . . . 27.0
8. Derek Carr . . . . . . . . . . . . . . . . . . . . . . 25.0
9. Drew Brees . . . . . . . . . . . . . . . . . . . . .  25.0
10. Andrew Luck . . . . . . . . . . . . . . . . . . .  24.6

a) Compute the mean salary of the 10 baseball players and the mean salary of the 10 football players and determine 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.