Question: If the Pearson correlation coefficient between the two variables X and Y is 0.70, how much of the variability in Y is explained by the

If the Pearson correlation coefficient between the two variables X and Y is 0.70, how much of the variability in Y is explained by the model (i.e., the variability in X)?

Answers:

a) 49%

b) +- 70%

c) 70%

d) 140%

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