6 observations on (X,Y) yielded the following data:
X 30, Y 180, X Y 1000,
i i i i
X 200, Y 5642. 2
i
2 i
i) Determine the correlation coefficient between X and Y.
ii) Given X 10 , what will be the predicated value of Y?
iii) Given Y 15, predict X.
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