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April 21, 2015

Homework Help: Statistics Help Please

Posted by Stuart on Sunday, March 29, 2009 at 4:47pm.

A sample of eight observations of variables x and y is shown below:

x 5 3 7 9 2 4 6 8
y 20 23 15 11 27 21 17 14


Find the value of coefficient of correlation, r.


a) - 0.991
b)0.872
c)- 0.512
d)0.942

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