Solved: Exercises 21 and 22 refer to the two histograms shown in Fig. 17 summarizing the

Chapter 15, Problem 21

(choose chapter or problem)

Exercises 21 and 22 refer to the two histograms shown in Fig. 17 summarizing the team payrolls in Major League Baseball (2008). The two histograms are based on the same data set but use slightly different class intervals. (You can assume that no team had a payroll that was exactly equal to a whole number of millions of dollars.) 2008 Major League Baseball Team Payrolls 0 9 8 10 11 12 13 7 6 5 4 3 2 1 1040 4070 70100 100130 130 Payroll (in millions) (a) Number of teams 0 9 8 10 11 12 13 7 6 5 Number of teams 4 3 2 1 2050 5080 80110 110140 140 Payroll (in millions) (b) FiGurE 17 Source: ESPN, sports.espn.go.com/mlb/teams/salaries?team=min (a) How many teams in Major League Baseball had a payrollof more than $110 million in 2008? (b) How many teams had a payroll of between $130 millionand $140 million in 2008?