Q4. Given the following summations from a sample of X and Y values Σ(-X)(Υ -Y ) -12 ; Σ(-X)50; Σ(Υ-Y=8; %3D estimate the correlation coefficient of X and Y: Hint: Use the equation: (x - X \r- F) VE(x-x} »z(r-F} A. - 0.42 B. 0.23 C. 0.45 D. 0.60 О А. А В. В О С. С O D. D

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