sorry ....i made an error in the original post......please read problem again, note the r-value that did not appear in the 1st post:

5.Two
variables, X and Y, are measured on 30 individuals and a correlation coefficient of r = -0.865 is computed.
Which of these is NOT a valid
conclusion?

a) There is a linear
association between X and Y.

b) Larger values of X tend to be associated with smaller
values of Y.

I think in this case the answer will be (d) because x and y are independent variables, as much as the may be related, there is no such strong correlations between the two

Apr 29th, 2015

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