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 on a pair of variables, x and y, results in the value of R2 equal to 0.7834. Which of the following statements is true?
A) The correlation between x and y must be 0.7834.
B) The correlation between x and y must be -0.8851.
C) The correlation between x and y must be -0.7834.
D) The correlation between x and y must be either 0.8851 or -0.8851.
E) The correlation between x and y must be 0.8851.
Correct Answer:

Verified
Correct Answer:
Verified
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