For Exercises 35–49, do the following:

  1. Construct a scatterplot of the relationship between and .
  2. Interpret the scatterplot.
  3. Calculate the correlation coefficient .
  4. Interpret the value of the correlation coefficient .

Question 4.40

ncaa2014

40. 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.

204

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