Linear regression computations for the points (x, y) in the scatterplot at right result in r = 0.832, m = 2.19 and b = - 9.98 At the a = 0.01 significance level, what is your best prediction for the y value given x = 17.5? X 4.7 6.8 7.4 7.6 8.2 9.2 19.5 y 8.5 2.1 10.1 -6.5 12.7 7.6 34.8 Answer: Predicted value of y is