For the data set given in Table 3.27 Table 3.27 Data Set for Testing Linear Hypothesis y x1 x2 3.9 1.5 2.2 7.5 2.7 4.5 4.4 1.8 2.8 8.7 3.9 4.4 9.6 5.5 4.3 19.5 10.7 8.4 29.3 14.6 14.6 12.2 4.9 8.5 (a). Find the linear regression model.

(b). Use the general linear hypothesis test to test H0 : β1 = β2 = 0 and make your conclusion. Use full and restricted model residual sums of squares.