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 four decimals). X 2 5 1 2 3 3 Y (%) 73 90 60 80 89 87   SSxy = 66.6667 SSx = 9.3333 SSy = 678.8333  = 2.6667  = 79.8333 b = 7.1592                A.  0.7015    B.  -0.9865    C.  0.3106    D.  0.8375

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