Table 14.3 Columbia Appliance Sells and Delivers Appliances in the Columbia,South Carolina

Multiple Choice

Table 14.3
Columbia Appliance sells and delivers appliances in the Columbia,South Carolina area.The Operations and Supply Chain Manager wants to be able to predict the delivery crew's hours for easier scheduling.The delivery crew,consisting of a truck and two workers,must load the truck each day and then drive the truck to various locations to deliver appliances.Variables each day include miles driven and the number of deliveries made.The manager has collected data for the past five weeks,and has recorded the following average daily crew hours worked,miles driven and deliveries made:
The manager uses the multiple regression model in POM for Windows and obtains the following results:
-Use the information provided in Table 14.3.What is the estimated work time for the crew if the schedule that day calls for 90 driving miles and 4 deliveries?

A) 8.1 hours
B) 9.2 hours
C) 8.9 hours
D) 8.5 hours