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In a Regression Analysis of a First-Order Model Involving 3

Question 26

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In a regression analysis of a first-order model involving 3 predictor variables and 25 observations, the following estimated regression equation was developed. ​ In a regression analysis of a first-order model involving 3 predictor variables and 25 observations, the following estimated regression equation was developed. ​ = 12 - 18x<sub>1</sub> + 4x<sub>2</sub> + 15x<sub>3</sub> ​ Also, the following standard errors and the sum of squares were obtained. S<sub>b</sub><sub>1 </sub>= 3 S<sub>b</sub><sub>2 </sub>= 6 S<sub>b</sub><sub>3 </sub>= 7 SST = 4900 SSE = 1296 ​ The test statistic for testing the significance of the model is A) .73. B) 18.93. C) 19.47. D) 1.37. = 12 - 18x1 + 4x2 + 15x3
​
Also, the following standard errors and the sum of squares were obtained.
Sb1 = 3
Sb2 = 6
Sb3 = 7
SST = 4900
SSE = 1296
​
The test statistic for testing the significance of the model is


A) .73.
B) 18.93.
C) 19.47.
D) 1.37.

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