In a Simple Least-Squares Regression Where X Refers to the Number

Multiple Choice

In a simple least-squares regression where X refers to the number of sales calls made by a sales department and Y refers to the monthly total cost of the sales department, the R-squared in the regression output would represent:

A) the estimated monthly total costs of the sales department.
B) the estimated monthly fixed costs of the sales department.
C) the estimated monthly variable costs per unit of the sales department.
D) the percent of variation in Y that is explained by X.