Doors When Trying to Reduce Energy Costs for a Home

Doors When trying to reduce energy costs for a home, one strategy is to install high quality
doors. A consumer service wants to test two brands (A and
B) of doors to see which is more
effective at preventing loss of heat. They have four doors of each brand they will install in a
small cabin built for this purpose. The cabin has places for four doors on the north wall and
four on the south wall. The inside of the cabin will be heated, and monitors will be placed
outside each door to measure the amount of heat loss.

a. Use the random numbers given to decide which doors to to put in which position.
Explain your method clearly.

b. Briefly explain why your assignment strategy is important in helping the manager assess
the effectiveness of the doors.