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The set of bivariate observations (x(1),...

The set of bivariate observations `(x_(1), y_(1)), (x_(2) y_(2)).... (x_(n) y_(n))` are such that all the values are distinct and all the observations fall on a straight line with non-zero slope then the possible values of the correlation coefficient between x and y are

A

A) 0 and 1 only

B

B) 0 and -1 only

C

C) `0,1,-1`

D

D) `-1` and 1 only

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The correct Answer is:
D
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