Marketers of Retail Giants Such as Walmart Have Learned That

Marketers of retail giants such as Walmart have learned that people tend to buy certain products at the same time, for example, toothpaste and dental floss or paper towels and paper plates. Knowing this, Walmart will promote and display these products together. To uncover these customer purchasing patterns, marketers use

A) data isolation.
B) data mining.
C) secondary data collection.
D) sentiment mining.
E) qualitative research.