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.
Correct Answer:

Verified
Correct Answer:
Verified
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