Question: True or false, and explain briefly: a. If the correlation coefficient is positive, then above-average values of one variable are associated with above-average values of

True or false, and explain briefly:

a. If the correlation coefficient is positive, then above-average values of one variable are associated with above-average values of the other.

b. If the correlation coefficient is negative, then below-average values of one variable are associated with below-average values of the other.

c. If the correlation between x and y is positive, then x is usually greater than y.

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