The data below comprises of the number of hours (X) studied and the exam grade (Y) obtained for 6 first year students registered at UWC. Calculate the correlation coefficient (rounded off to two decimals). X 2 5 1 2 3 3 Y (%) 60 85 73 80 90 87   SSxy = 42.33 SSx = 9.33 SSy = 618.83  = 2.6667  = 79.1667 b = 4.5357                A.  0.3102    B.  0.5570    C.  -0.9865    D.  0.0073

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