Exhibit 10-6 The Management of a Department Store Is Interested in Estimating

question 74

Multiple Choice

Exhibit 10-6
The management of a department store is interested in estimating the difference between the mean credit purchases of customers using the store's credit card versus those customers using a national major credit card. You are given the following information.
-Refer to Exhibit 10-6. A 95% confidence interval estimate for the difference between the average purchases of the customers using the two different credit cards is

• A)49 to 64
• B)11.68 to 18.32
• C)125 to 140
• D)8 to 10

---

Definitions:

Efficient Method

An approach or technique that achieves a desired outcome with the least amount of waste, effort, or expense.

Occupational Trends

Patterns or shifts in job growth, decline, or change in different sectors or industries over a period.

Price of Labor

The amount of money that is paid for the work done by employees or laborers.

Demand for Products

Consumers' eagerness and capability to acquire goods and services for certain prices.