Major League Baseball is split into two leagues, the National League (NL) and the American League (AL). The main difference between the two leagues is that pitchers take at bats in the National League but not in the American League. Are total team hits different between the two leagues? Figure 2.42 shows side-by-side boxplots for the two leagues. The data are stored in BaseballHits.
(a) Estimate the median number of hits for each league, and estimate the difference in median hits between the two leagues. Which league appears to get more hits?
(b) What is the other obvious difference (apparent in Figure 2.42) between the two leagues?

Figure 2.42

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AL NL Hits 1300 1350 1400 1450 1500 1550