Question: For a sample of (X, Y) data values, the covariance is 48.724, the standard deviation of X is 11.724, and the standard deviation of Y
(a) Find the sample correlation coefficient.
(b) What does the sample correlation coefficient suggest about the relationship between X and Y?
(c) Why is the sample correlation easier to interpret than the sample covariance?
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a b The relationship between X and Y is a moderate positive linear re... View full answer
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