Consider the Following to Answer the Question(s) Below

question 14

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 regression of two variables, x and y, results in the value of R2 equal to 0.7834. Which of the following statements is true?

• A) The correlation coefficient must be 0.7834.
• B) The correlation coefficient must be -0.8851.
• C) The correlation coefficient must be -0.7834.
• D) The correlation coefficient can be either 0.8851 or -0.8851.
• E) The correlation coefficient must be 0.8851.

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Definitions:

Liking

A feeling of affection or fondness towards someone, often considered less intense than love.

Pleasure

A feeling of happiness or satisfaction derived from experiencing something enjoyable.

Nonverbal Messaging

Communicating without the use of spoken language, utilizing instead gestures, facial expressions, and body posture to convey messages.

Facial Expressions

The use of facial muscles to convey emotions, thoughts, or reactions, serving as a key component of nonverbal communication.