In: Math
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^=