Question

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 for each team is shown in the accompanying table; the entire data set, labeled MLB_Salaries, can be found on the text website.


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 StreetJournal.


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  • CreatedJanuary 28, 2015
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