A Researcher Is Investigating Which of Two Newly Developed Automobile

question 42

Multiple Choice

A researcher is investigating which of two newly developed automobile engine oils is better at prolonging the life of an engine. Since there are a variety of automobile engines, 20 different engine
Types were randomly selected and were tested using each of the two engine oils. The number of
Hours of continuous use before engine breakdown was recorded for each engine oil. Based on the
Information provided, what type of analysis will yield the most useful information?

• A)Matched pairs comparison of population proportions.
• B)Independent samples comparison of population proportions.
• C)Independent samples comparison of population means.
• D)Matched pairs comparison of population means.

---

Definitions:

Resource Demand

The demand for resources (labor, capital, land) that are used to produce goods and services.

Pure Competition

A market structure in which a very large number of firms sells a standardized product, into which entry is very easy, in which the individual seller has no control over the product price, and in which there is no nonprice competition; a market characterized by a very large number of buyers and sellers.

Equivalents

Items or entities that are fundamentally equal in value or function in the context of a specific comparison.

Profit-maximizing

The process or methodology by which a business seeks to find the best output and sales levels to achieve the highest profits possible.