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Statistics Help Please

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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
c)- 0.512

  • Statistics Help Please - ,

    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.

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