A set of n = 4 pairs of X and Y values has a Pearson correlation of r = 0.60 and SSY = 200. The standard error of estimate for the regression equation is _______. a. 8 points b. 10 points c. 6 points d. 4 points

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A: x y f(x,y) -1 -2 1/4 -0.5 -1 1/2 0.5 1 1/8 1 2 1/8