Major League Baseball. What factor is most important in building a winning baseball team?...

Major League Baseball. What factor is most important in building a winning baseball team? Some might argue for a high batting average. Or it might be a team that hits for power as measured by the number of home runs. On the other hand, many believe that it is quality pitching as measured by the earned run average of the team’s pitchers. The file MLB4 on the CD contains data on the following variables for the 30 major league baseball teams during the 2002 season:

Using WINS as the dependent variable, use scatterplots and regression to investigate the relationship of the other variables to WINS. Use the variables to build a multiple regression model to explain WINS. Interpret what your model tells you about a successful baseball team.

(Source: Courtesy of the Fort Worth Star-Telegram.)