Here is Market Basket data for 1,000 transactions at a Drug Store.Use the table below to answer the following questions.

-Refer to the table above.What is the lift for Drug B being purchased given that Drug A has been purchased?
A).200
B).250
C).333
D).500
E).667

Question

Here is Market Basket data for 1,000 transactions at a Drug Store.Use the table below to answer the following questions.
 
-Refer to the table above.What is the lift for Drug B being purchased given that Drug A has been purchased?
A).200 
B).250 
C).333 
D).500 
E).667

Quizplus · Accepted Answer

Lift is calculated as the probability of both events occurring together divided by the product of the probabilities of each event occurring independently. The lift value of 667 indicates that the purchase of Drug B is 667 times more likely when Drug A is purchased compared to when Drug A is not purchased.

Here Is Market Basket Data for 1,000 Transactions at a Drug