For Exercises 37–51, do the following for the indicated data sets from the Section 4.1 exercises:

  1. Calculate the slope and the intercept of the regression line.
  2. State the regression equation in words.
  3. Interpret the value for the slope of the regression line, in terms of the variables from the particular exercise.
  4. Interpret the value for the intercept of the regression line, in terms of the variables from the particular exercise.

Question 4.140

ncaa2014

42. NCAA Power Ratings. The accompanying table shows the top 10 teams’ winning percentages and power ratings for the 2013–2014 NCAA basketball season, according to www.teamrankings.com.

220

Team Winning
proportion 		Power
rating
Florida 0.923 121.2
Wichita State 0.971 119.1
Arizona 0.868 118.8
Louisville 0.838 117.9
Connecticut 0.800 117.2
Virginia 0.811 116.8
Wisconsin 0.789 116.6
Villanova 0.853 116.4
Michigan State 0.763 115.9
Michigan 0.757 115.9