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In: Statistics and Probability

Is the number of games won by a major league baseball team in a season related...

Is the number of games won by a major league baseball team in a season related to the team batting average? The table below shows the number of games won and the batting average (in thousandths) of 8 teams.

Team Games Won Batting Average
1 7474 272272
2 7676 283283
3 9898 268268
4 106106 269269
5 7878 266266
6 117117 278278
7 7474 272272
8 108108 270270


Using games won as the explanatory variable xx, do the following:

(a) The correlation coefficient is r=r=  .

(b) The equation of the least squares line is ŷ =

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