Churn rate is the
(A) number of unique visitors to a site
(B) number of customers who stop doing business with a company
(C) number of purchases an individual makes on a particular site
(D) another name for click throughs
(E) number of calls a call center operator can handle in a day
Answer: Churn rate is the number of customers who stop doing business with a company, also known as the attrition rate, so choice B is correct.