A sales manager for an advertising agency believes there is a relationship between the number of contacts that a salesperson makes and the amount of sales dollars earned. A regression ANOVA shows the following results: What is the value of the coefficient of correlation?
A)+0.6317
B)+0.9754
C)−0.9754
D)+0.9513

Question

A sales manager for an advertising agency believes there is a relationship between the number of contacts that a salesperson makes and the amount of sales dollars earned. A regression ANOVA shows the following results:  What is the value of the coefficient of correlation?
A)+0.6317 
B)+0.9754 
C)−0.9754 
D)+0.9513

Quizplus · Accepted Answer

The coefficient of correlation is equal to the square root of the coefficient of determination (R^2). In this case, R^2 is 0.9513, so the square root of 0.9513 is approximately 0.9754. Therefore, the value of the coefficient of correlation is approximately +0.9754.

A Sales Manager for an Advertising Agency Believes There Is