The Numbers of Home Runs That Mark McGwire Hit in the First

Essay

The numbers of home runs that Mark McGwire hit in the first 13 years of his major league baseball career arelisted below. (Source: Major League Handbook) Construct a scatter diagram for the data. Is there a relationshipbetween the home runs and the batting averages? $\begin{array}{lc|c|c|c|c|c|c|c|c|c}\text { Home Runs } & 33 & 39 & 22 & 42 & 9 & 9 & 39 & 52 & 58 & 70 \\\hline \text { Batting Average } & .231 & .235 & .201 & .268 & .33 & .252 & .274 & .312 & .274 & .299\end{array}$