A Major Retail Clothing Store Is Interested in Estimating the Difference

question 78

Multiple Choice

A major retail clothing store is interested in estimating the difference in mean monthly purchases by customers who use the store's in-house credit card versus using a Visa, Mastercard, or one of the other major credit cards. To do this, it has randomly selected a sample of customers who have made one or more purchases with each of the types of credit cards. The following represents the results of the sampling: Based on these sample data, what is the lower limit for the 95 percent confidence interval estimate for the difference between population means?

• A) About $5.28
• B) Approximately $4.85
• C) Approximately $2.54
• D) Approximately $3.41

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Definitions:

Threat

A threat is any circumstance or event with the potential to cause harm to a system, individual, organization, or country.

Inertia

The resistance to change or the tendency for objects or systems to remain in their current state without external force acting upon them.

Learning Organization

An organization skilled at creating, acquiring, and transferring knowledge, and at modifying its behavior to reflect new knowledge and insights.

Organizational Change

The process through which companies or organizations undergo substantive transformations in their structures, operations, or cultures to adapt to internal or external demands.