Figure 3-11.The following four months of data were collected on utility cost and the number of labor hours in a factory.
-Refer to Figure 3-11. What would be the estimate of electricity cost if the factory incurred 4,700 labor hours next month?
A) $9,400
B) $20,260
C) $23,140
D) $19,560

Question

Figure 3-11.The following four months of data were collected on utility cost and the number of labor hours in a factory. 
-Refer to Figure 3-11. What would be the estimate of electricity cost if the factory incurred 4,700 labor hours next month?
A) $9,400 
B) $20,260 
C) $23,140 
D) $19,560

Quizplus · Accepted Answer

Using the scatter plot and the regression line, we can estimate the electricity cost for 4,700 labor hours to be approximately $23,140. This can be done by finding the point on the regression line that corresponds to 4,700 labor hours and reading the electricity cost from the vertical axis.