Figure 3-12

Multiple Choice

Figure 3-12.The method of least squares was used to develop a cost equation to predict the cost of monthly equipment maintenance. The following computer output was received:
The driver used was the number of machine hours.
-Refer to Figure 3-12. What is the independent variable of the cost formula for equipment maintenance?

A) number of machine hours
B) the variable rate
C) the fixed cost
D) the total cost