The scout troop is selling brownies for $4 per plate (no sales tax.) If the explanatory variable was the number of plates of brownies a customer purchased and the response was the amount paid, what would be the correlation between the number of plates and amount paid?
A) The correlation cannot be determined from the information provided.
B) $4
C) 0.25
D) 1.0
E) 4.0

Question

Quizplus · Accepted Answer

The correlation would be 1.0 because there is a perfect positive linear relationship between the number of plates purchased and the amount paid. As the number of plates increases, the amount paid increases in a directly proportional manner.

The Scout Troop Is Selling Brownies for $4 Per Plate