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Mathematics 8 Online
OpenStudy (anonymous):

The graph below plots the values of y for different values of x:

OpenStudy (anonymous):

What is the correlation coefficient for the data plotted? A. -0.9 B. -0.6 C. 0.6 D. 0.9

OpenStudy (tkhunny):

1) Clearly Negative. C and D can be discarded. 2) Not very strong at all. A can be discarded. 3) I would guess more in the -0.4 range, but if -0.6 is all I have, so be it.

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