In Testing the Difference Between Two Population Means, for Which

question 35

Multiple Choice

In testing the difference between two population means, for which the population variances are unknown and are not assumed to be equal, two independent samples of large sizes are drawn from the populations. Which of the following tests is appropriate?

• A) Z-test.
• B) Pooled-variances t-test.
• C) Unequal variances t-test.
• D) Matched pairs t-test.

---

Definitions:

Class A

A classification of common or preferred shares that typically comes with more voting rights or other benefits compared to other classes.

Initial Cost

The upfront expenditure involved in the purchase of an asset or the start-up of a project, excluding ongoing operational costs.

Lot Preparation

The process of getting a parcel of land ready for construction or development, involving tasks such as clearing, grading, and installing utilities.

Retail Store

A physical location where goods are sold to consumers.