Toilet paper and detergent are the antecedent, where 950 of the 6,500 transactions include both items. Of the overall 6,500 transactions, 126 include toilet paper, detergent, and the consequent of clothing. Using the association rule, what is the confidence?
A) 0.0194
B) 18.415
C) 0.146
D) 0.1326

Question

Quizplus · Accepted Answer

Confidence is calculated as the number of transactions including both the antecedent and consequent divided by the number of transactions including the antecedent. Here, it is 126/950 = 0.1326.

Toilet Paper and Detergent Are the Antecedent, Where 950 of the 6,500