The Lift Ratio of an Association Rule with a Confidence

question 16

Multiple Choice

The lift ratio of an association rule with a confidence value of 0.43 and in which the consequent occurs in 6 out of 10 cases is:

• A) 1.40
• B) 0.54
• C) 1.00
• D) 0.72

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Definitions:

Cost-benefit Analysis

A systematic approach to estimate the strengths and weaknesses of alternatives in terms of their costs and benefits, often used in decision making and project evaluations.

Economic Efficiency

The optimal allocation of resources to maximize the production of goods and services.

Marginal Happiness

The additional satisfaction or utility that a person gains from receiving or consuming one more unit of a good or service.

Sequential Stages

Sequential stages are the consecutive phases or steps in a process or system, where each stage follows the previous one in an orderly progression.