Question: Assuming a straight line (linear) relationship between X and Y, if the coefficient of correlation (r) equals 0.30: (a) there is no correlation (b) the

Assuming a straight line (linear) relationship between X and Y, if the coefficient of correlation (r) equals –0.30:

(a) there is no correlation

(b) the slope is negative

(c) variable X is larger than variable Y

(d) the variance of X is negative

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