Consider the Following to Answer the Question(s) Below

question 29

Multiple Choice

Consider the following to answer the question(s) below:
A small independent organic food store offers a variety of specialty coffees. To determine whether price has an impact on sales, the managers kept track of how many kilograms of each variety of coffee were sold last month. The data, scatterplot and summary statistics are shown below.

-A pair of variables, x and y, have a correlation coefficient of -0.8851. Which of the following statements is true?

• A) x explains about 78.34 percent of the variation in y.
• B) x explains about 88.51 percent of the variation in y.
• C) y explains about 78.34 percent of the variation in x.
• D) x cannot explain about 78.34 percent of the variation in y.
• E) y explains about 88.51 percent of the variation in x.

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Definitions:

Compliance

The act of conforming to or following rules, guidelines, or instructions, often in a healthcare or legal context.

Foot-In-The-Door

A persuasive technique involving making a small request in order to gain compliance with a larger request later.

Obedience

The act of following orders or directions from authority figures, often studied in psychology.

Conformity

The act of matching attitudes, beliefs, and behaviors to what is considered normal or standard in one's social or cultural group.