The Following Side-By-Side Stemplot Displays the Total Number of Points

Short Answer

The following side-by-side stemplot displays the total number of points scored per Super Bowl football game for the first 41 Super Bowls (from 1967-2007), separated according to the first 20 games (19671986) and the next 21 games (1987-2007):
-Construct boxplots of the distributions of total points in these two groups, using the same axes and scale. (Do not bother to check for outliers; there are no outliers in either distribution.)