CASE STUDY 3.1 An article in The Wall Street Journal (July 11, 2008) outlined a number of reasons as to why the 16 teams in Major League Baseball's National League (NL) are inferior to the 14 teams in the American League (AL). One reason for the imbalance pointed to the disparity in opening-day payrolls: the average AL payroll is greater than the NL average. A portion of the data showing opening-day payroll (in $) for each team is shown in the accompanying table. Data for Case Study 3.1 Major League Baseball's Opening-Day Payrolls, 2010 American League Payroll National League Payroll New York Yankees 206333389 Chicago Cubs 146609000 Boston Red Sox 162447333 Philadelphia 141928379 Phillies . . . . . . . . . Source: www.bizofbaseball.com. In a report, use the sample information to 1. Discuss the mean and the median of AL and NL opening-day salaries and comment on skewness. 2. Compare the range and the standard deviation of AL and NL opening-day salaries. 3. Use these summary measures to comment on the findings in The Wall Street Journal