A Two-Factor Analysis of Variance Is Conducted to Test the Effect

question 90

Multiple Choice

A two-factor analysis of variance is conducted to test the effect that price and advertising have on sales of a particular brand of bottled water. Each week a combination of particular levels of price and advertising are used and the sales amount is recorded. The computer results are shown below. Based on the results above and a 0.05 level of significance, which of the following is correct?

• A) There is no interaction between price and advertising, so results for individual factors may be misleading.
• B) There is interaction between price and advertising, so the above results for individual factors may be misleading.
• C) There is no interaction between price and advertising, and both factors significantly affect sales.
• D) There is interaction between price and advertising, so the above results conclusively show that both factors affect price.

---

Definitions:

Descriptive Sentences

Phrases that provide detailed information or paint a vivid picture of a subject for the reader.

Written Request

A formal or informal communication method involving sending a question, petition, or requirement through written means.

Buffer Statements

Sentences used in communication to ease into a difficult message, reducing potential shock or discomfort.

Main Idea

The central concept or primary point that an author or speaker is trying to communicate.