Asked by Stuart
                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
            
            
        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
Answers
                    Answered by
            MathGuru
            
    I'll narrow it down for you.  It's either a) or d).  
If you need to do this by hand, find a correlation coefficient formula, plug in the values and go from there to find r.
    
If you need to do this by hand, find a correlation coefficient formula, plug in the values and go from there to find r.
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