Question 6 of Questions Exercise 15.20 Algo (Testing for Significance) Consider the following data for a dependent variable y and two independent variables, #1 and z2. 21 30 12 47 10 24 17 10. O SO 17 179 5 95 20 175 171 13 117 13 143 17 212 The estimated regression equation for these data is - -12.05 + 1.9321 + 4.4632 Here SST = 15,160.9, SSR = 14,150.0, , = 0.2288, and a = 0.8356. a. Test for a significant relationship among 21, 22, and y. Use a = 0.05 F = (to 2 decimals) The p-value is - Select your answer - At a = 0.05, the overall model is - Select your answer - b. Is Bi significant? Use a = 0.05 (to 2 decimals). Use t table. The p-value is =Select your answer - At a =0.05, 81 - Select your answer - V significant