BA 578 (BA 578)

BA 578 FINAL EXAM 2 Part A: Multiple Choice (1–11) Using the “eyeball” method, the regression line y ̂ = 2 2x has been fitted to the data points (x = 2, y = 1), (x = 3, y = 8), and (x = 4, y = 7). The sum of the squared residuals will be 7 b. 19 c. 34 d. 8 A computer statistical package has included the following quantities in its output: SST = 50, SSR = 35, and SSE = 15. How much of the variation in y is explained by the regression equation? 49% ...

______1. Using the “eyeball” method, the regression line ̂ = 2 2x has been fitted to the data points (x = 2, y = 1), (x = 3, y = 8), and (x = 4, y = 7). The sum of the squared residuals will be a. 7 b. 19 c. 34 d. 8 ______2. A computer statistical package has included the following quantities in its output: SST = 50, SSR = 35, and SSE = 15. How much of the variation in y is explained by the regression equation? a. 49% b. 70% c. 35% d. 15% ______3. In testing the significance of b, the nul...