Homework Answers
| Model | SSE | SSTO | R-Sq | R-Sq(Adj) | S | |
| X3 | 316.9 | 884.8 | 64.184 | 63.43783 | 2.543098 | |
| X2 | 279.5 | 884.8 | 0.684109 | 67.75283 | 2.388322 | |
| X2, X3 | 262.5 | 884.8 | 0.703323 | 69.06982 | 2.338536 | |
| X3,X4 | 273.3 | 884.8 | 0.691117 | 67.79727 | 2.386158 | |
| X1,X2,X3 | 261.6 | 884.8 | 0.70434 | 68.50578 | 2.384734 | |
| X2,X3,X4 | 262.2 | 884.8 | 0.703662 | 68.43354 | 2.387467 | |
| X1,X2,X3, X4 | 261.6 | 884.8 | 0.70434 | 67.80591 | 2.411086 |
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Suppose four x-variables are candidates to be in a model for predicting y. The sample size is n -...
Consider a multiple regression model of the dependent variable y on independent variables x1, X2, X3, and x4: Using data with n 60 observations for each of the variables, a student obtains the follow...
Consider a multiple regression model of the dependent variable y on independent variables x1, X2, X3, and x4: Using data with n 60 observations for each of the variables, a student obtains the following estimated regression equation for the model given: y0.35 0.58x1 + 0.45x2-0.25x3 - 0.10x4 He would like to conduct significance tests for a multiple regression relationship. He uses the F test to determine whether a significant relationship exists between the dependent variable and He uses the t...
4. Testing for significance Aa Aa Consider a multiple regression model of the dependent variable y on independent variables x1, x2, X3, and x4: Using data with n = 60 observations for each of the var...
4. Testing for significance Aa Aa Consider a multiple regression model of the dependent variable y on independent variables x1, x2, X3, and x4: Using data with n = 60 observations for each of the variables, a student obtains the following estimated regression equation for the model given: 0.04 + 0.28X1 + 0.84X2-0.06x3 + 0.14x4 y She would like to conduct significance tests for a multiple regression relationship. She uses the F test to determine whether a significant relationship exists...
Suppose that there are six x-variables in a model to predict y. The sample size is n = 100. SSTO ...
Suppose that there are six x-variables in a model to predict y. The sample size is n = 100. SSTO = 5000 and SSE = 2250. (a) Calculate R2adj. (Remember that p is the number of regression parameters including the intercept!) (b) Calculate the AICp and BICp values for this model. (c) Suppose that the six x-variables in the model were selected from a set of 10 possible x-variables and that the SSE for a model that contains all 10...
Independent variables in the model SSR SSE d.f. SSE MSE R? Cp X+ 14 829 1...
Independent variables in the model SSR SSE d.f. SSE MSE R? Cp X+ 14 829 1 552.87728 13 119.45210 0.9052 18.59237 5 992.70400 10 389 13 799.19026 0.3658 186.9778 X 9 115.87056 7 266.30677 13 558.94667 0.5565 127.4702 X4 11 085 5 297.40169 13 407.49244 0.6766 89.94983 X1, X2 14 830 1 552.01176 12 129.33431 0.9053 20.57588 X, X, 14 990 1 392.56509 12 116.04709 0.9150 17.53739 X., Xo 15543 839.17793 12 69.93149 0.9488 6.991777 X2, X, 11 130 5...
Consider a multiple regression model of the dependent variable y on independent variables x1, X2, X3, and x4: Using data with n 60 observations for each of the variables, a student obtains the following estimated regression equation for the model given: y0.35 0.58x1 + 0.45x2-0.25x3 - 0.10x4 He would like to conduct significance tests for a multiple regression relationship. He uses the F test to determine whether a significant relationship exists between the dependent variable and He uses the t...
4. Testing for significance Aa Aa Consider a multiple regression model of the dependent variable y on independent variables x1, x2, X3, and x4: Using data with n = 60 observations for each of the variables, a student obtains the following estimated regression equation for the model given: 0.04 + 0.28X1 + 0.84X2-0.06x3 + 0.14x4 y She would like to conduct significance tests for a multiple regression relationship. She uses the F test to determine whether a significant relationship exists...
Independent variables in the model SSR SSE d.f. SSE MSE R? Cp X+ 14 829 1 552.87728 13 119.45210 0.9052 18.59237 5 992.70400 10 389 13 799.19026 0.3658 186.9778 X 9 115.87056 7 266.30677 13 558.94667 0.5565 127.4702 X4 11 085 5 297.40169 13 407.49244 0.6766 89.94983 X1, X2 14 830 1 552.01176 12 129.33431 0.9053 20.57588 X, X, 14 990 1 392.56509 12 116.04709 0.9150 17.53739 X., Xo 15543 839.17793 12 69.93149 0.9488 6.991777 X2, X, 11 130 5...
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