1) Northwest Airlines applied mathematical models to determine which customers in its database were currently responsible for most of its profitability and which customers were not currently profitable but had similar characteristics to the most profitable customers. Northwest Airlines utilized _____ to identify these customers.

A. computer programming

B. data warehousing

C. customer relationships management

D. data mining

2) Minute Maid sees research as the fundamental first step in any business decision, and it created proprietary methods for conducting research. At what level of the hierarchy of business decision makers does Minute Maid operate?

A. Top tier

B. Middle tier

C. Base tier

D. Foundation tier

3) Which of the following questions is considered first...