I just need part B.

(1 point) 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 1 101 270 2 63 274 3 93 267 4 116 276 5 101 270 6 78 278 77 275 8 83 276 Using games won as the explanatory variable , do the following: (a) The correlation coefficient is r = -0.3055 (b) The equation of the least squares line is y =