Question

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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 7272 266266
2 9494 272272
3 113113 283283
4 8888 273273
5 6565 269269
6 9191 274274
7 7474 270270
8 8080 260260


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

(a) The correlation coefficient is r=.

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

Solutions

Expert Solution

a)

b)


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