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

Question

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

Quizplus · Accepted Answer

The independent variable, or driver, of the cost formula for equipment maintenance is the number of machine hours.