Suppose That an Automobile Manufacturer Designed a Radically New Lightweight

question 15

Multiple Choice

Suppose that an automobile manufacturer designed a radically new lightweight engine and wants to recommend the grade of gasoline to use. The four grades are: below regular, regular, premium, and super premium. The test car made three trial runs on the test track using each of the four grades. Is there a difference in the performance between the four grades of gas? If you were to use Excel to assist in your solution to this problem, which test would you use?

• A) ANOVA: Single Factor.
• B) ANOVA: Two-Factor with Replication.
• C) ANOVA: Two-Factor without Replication.
• D) F-Test Two Sample for Variances.
• E) t-Test: Paired Two Sample for Means.

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Definitions:

Credit Column

A section in financial accounting records where increases in liabilities, revenues, and equity accounts, and decreases in assets and expenses are recorded.