Have You Ever Purchased a Book or CD on Amazon

Multiple Choice

Have you ever purchased a book or CD on Amazon.com and noticed that as soon as you put your selection in the shopping cart, you were offered a series of other items that people who made the same purchase as you did also bought? This would be an example of___________ data mining.

A) sequence
B) association
C) predictive
D) adjacency
E) extrapolative