Question: A researcher reports that the correlation between two quantitative variables is r = 0.8. Which of the following statements is correct? A)The average value of

A researcher reports that the correlation between two quantitative variables is r = 0.8. Which of the following statements is correct?

A)The average value of y changes by 0.8 when x is increased by 1.

B)The average value of x changes by 0.8 when y is increased by 1.

C)The explanatory variable (x) explains 80% of the variation in the response variable (y).

D)The explanatory variable (x) explains 64% of the variation in the response variable (y).

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