In the seasons that followed his 2001 record-breaking season, Barry Bonds hit 46, 45, 45, 5, 26, and 28 homers, respectively, until he retired from major league baseball in 2007 (www.ESPN.com). Two box plots, one of Bond's homers through 2001, and a second including the years 2002-2007 follow.

The statistics used to construct these box plots are given in the table.

a. Calculate the upper fences for both of these box plots.
b. Can you explain why the record number of homers is an outlier in the 2001 box plot, but not in the 2007 box plot?

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so 20 30 40 50 70SO Homers by Barry Bonds Years Min a Median IQR Max n 2001 16 25.00 34.00 1.0 16.573 16 2007 5 25.00 34.00 45.00 200 73 22