The marketing department is examining the data pulled from the retail stores over the month of December. In this time period, three items are of interest, Sound Bars, LED under counter lights, and shelving units.
- In researching if two of the items are purchased, if the third will be also, the following confidence level was calculated at 0.625, with an expected confidence of 0.20. Calculate the lift ratio.
A) 0.1250
B) 3.125
C) 0.3200
D) 0.425

Question

Quizplus · Accepted Answer

The lift ratio is calculated by dividing the observed confidence level by the expected confidence level. In this case, it's 0.625 / 0.20 = 3.125.

The Marketing Department Is Examining the Data Pulled from the Retail