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Reconsider the weight of professional baseball players in the data file bb

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Reconsider the weight of professional baseball players in the data file bb.rda. Obtain comparison boxplots of the weights of the hitters and pitchers (use the R code boxplot(x,y) where x and y contain the weights of the hitters and pitchers, respectively). Then obtain 95% confidence intervals for the median weights of the hitters and pitchers (use the R function onesampsgn). Comment.