Repeat Exercise, for the 20082009 NBA seasons. In exercise, the number of wins and payrolls for each

Question:

Repeat Exercise, for the 2008–2009 NBA seasons.
In exercise, the number of wins and payrolls for each team in the National Basketball Association (NBA) in the 2012–2013 seasons was recorded.
a. Determine the marginal cost of one more win.
b. Calculate the coefficient of determination and describe what this number tells you.