A Data Analyst for a Large Chain of Supermarkets Conducted

question 8

Multiple Choice

A data analyst for a large chain of supermarkets conducted trials testing the influence of the helpfulness of shop floor staff and sales income. She found a significant relationship between the two variables, increased helpfulness of shop floor staff was associated with increased sales income. However, at the same time as the trials were conducted the majority of the supermarkets underwent redesigns of their layouts to make customer flow through the shop floor easier. The data analyst wondered to what extent the new shop floor designs might also have influenced sales income. What sort of analysis should she conduct to explore this further?

• A) Mediation
• B) Moderation
• C) Multi-Level Modelling
• D) Multiple Linear regression

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Definitions:

Expert System

A computer program that uses artificial intelligence techniques to simulate the judgment and behavior of a human or an organization with expert-level knowledge in a specific field.

Optimal Layout

The most efficient arrangement of resources, equipment, and spaces within a facility to maximize productivity and reduce costs.

Decision Support System

A computerized information system used to support decision-making activities, gathering and analyzing data to help make informed choices.

Executive Information System

A digital dashboard that helps executives to make decisions by providing easy access to important business metrics and data.