SOLUTION: I was wondering if I can get help with this problem? A researcher reports that the correlation between two quantitative variables is r = 0.8. Which of the following statements i

Question 325725: I was wondering if I can get help with this problem?
A researcher reports that the correlation between two quantitative variables is r = 0.8. Which of the following statements is correct?
A) The explanatory variable (x) explains 80% of the variation in the response variable (y).
B) The average value of x changes by 0.8 when y is increased by 1.
C) The explanatory variable (x) explains 64% of the variation in the response variable (y).
D) The average value of y changes by 0.8 when x is increased by 1.
Thanks,
Kim
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
I was wondering if I can get help with this problem?
A researcher reports that the correlation between two quantitative variables is r = 0.8. Which of the following statements is correct?
A) The explanatory variable (x) explains 80% of the variation in the response variable (y).
B) The average value of x changes by 0.8 when y is increased by 1.
C) The explanatory variable (x) explains 64% of the variation in the response variable (y).
D) The average value of y changes by 0.8 when x is increased by 1.
Thanks,
====================
Answer: C
====================
Cheers,
Stan H.
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