A sales manager for an advertising agency believes that there is a relationship between the number of contacts that a sales person makes and the amount of the sales dollars earned. A regression ANOVA shows the following results: What is the value of the coefficient of determination?
A) 9.3104
B) 0.9754
C) 0.6319
D) 0.9513

Question

A sales manager for an advertising agency believes that there is a relationship between the number of contacts that a sales person makes and the amount of the sales dollars earned. A regression ANOVA shows the following results:  What is the value of the coefficient of determination?
A) 9.3104 
B) 0.9754 
C) 0.6319 
D) 0.9513

Quizplus · Accepted Answer

The coefficient of determination (R-squared) is the proportion of variance in the dependent variable (sales dollars earned) that can be explained by the independent variable (number of contacts made by the salesperson). From the ANOVA table, we see that the value of R-squared is 0.9513. Therefore, the best choice is D.

A Sales Manager for an Advertising Agency Believes That There