18. For the following data: a. find the regression equation for predicting Y from X b. use the regression equation to find a predicted Y for each X. c. Find the differences between the actual Y value and the predicted Y value for each individual, square the differences, and add the square values to obtain the SS residual. d. calculate the Pearson correlation for these data. Use r2 and SSy to compute SS residual with equation 16.11 you should obtain the same value as in part c. x y 7 16 5 2 6 1 3 2 4 9
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