The relationship between the number of games won by an NHL team and the average attendance at their home games is analyzed.A regression to predict the average attendance from the number of games won has an r = 0.79.Interpret this statistic.
A)Negative,fairly strong linear relationship.62.41% of the variation in average attendance is explained by the number of games won.
B)Negative,weak linear relationship.4.41% of the variation in average attendance is explained by the number of games won.
C)Positive,weak linear relationship.4.41% of the variation in average attendance is explained by the number of games won.
D)Positive,fairly strong linear relationship.79% of the variation in average attendance is explained by the number of games won.
E)Positive,fairly strong linear relationship.62.41% of the variation in average attendance is explained by the number of games won.

Question

Quizplus · Accepted Answer

The correlation coefficient r = 0.79 indicates a positive, fairly strong linear relationship. The coefficient of determination, r^2, is 0.79^2 = 0.6241, meaning 62.41% of the variation in average attendance is explained by the number of games won.

The Relationship Between the Number of Games Won by an NHL