Skipper Department Stores Has a Loyalty Card and Uses the Customer

Skipper Department Stores has a loyalty card and uses the customer purchase information on this card to identify groups of customers who buy children's clothing, shoes, housewares, and other product categories. They use this data to create special offers in each of these departments. What process is Skipper using?

A) secondary data analysis
B) sampling
C) churn
D) syndicated data review
E) data mining