Is the number of games won by a major league baseball team in aseason related to the team batting average? The table below showsthe number of games won and the batting average (in thousandths) of8 teams.
Team | Games Won | Batting Average |
1 | 102 | 263 |
2 | 82 | 271 |
3 | 105 | 272 |
4 | 61 | 276 |
5 | 109 | 275 |
6 | 80 | 284 |
7 | 118 | 276 |
8 | 61 | 278 |
Using games won as the explanatory variable x, do thefollowing:
(a) The correlation coefficient is r=Â Â .
(b) The equation of the least squares line is y^=