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The grades of a class of 9 students on a midterm report (x) and on the final examination (y) are as follows x 77 50 71 72 81 94 96 99 67 y 82 66 78 34 47 85 99 99 68 a) Complete an ANOVA table for the simple linear regression model. b) Use an F-test to test if the model is useful at ? = 0.05. c) Estimate the regression equation for regression through the origin. d) For regression through the origin, SSR = 49280 and SSE = 2700. What is R2 ?
