Given the following regression output,   Predictor   Coefficient   SE Coefficient   t p-value   Constant   84.998     1.863     45.62   0.000     x1   2.391     1.200     1.99   0.051     x2   -0.409     0.172     -2.38   0.021           Analysis of Variance Source DF SS MS F p-value Regression 2   77.907   38.954   4.138   0.021   Residual Error 62   583.693   9.414           Total 64   661.600                   answer the following questions:   Write the regression equation. (Round your answers to 3 decimal places. Negative values should be indicated by a minus sign.)         If x1 is 4 and x2 is 11, what is the expected or predicted value of the dependent variable? (Round your answer to 3 decimal places.)         How large is the sample? How many independent variables are there?

ENGR.ECONOMIC ANALYSIS
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Chapter1: Making Economics Decisions
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Given the following regression output,

 

Predictor   Coefficient   SE Coefficient   t p-value  
Constant   84.998     1.863     45.62   0.000    
x1   2.391     1.200     1.99   0.051    
x2   -0.409     0.172     -2.38   0.021    
   

 

Analysis of Variance
Source DF SS MS F p-value
Regression 2   77.907   38.954   4.138   0.021  
Residual Error 62   583.693   9.414          
Total 64   661.600              
 

 

answer the following questions:

 

  1. Write the regression equation. (Round your answers to 3 decimal places. Negative values should be indicated by a minus sign.)

 

 

 

 

  1. If x1 is 4 and x2 is 11, what is the expected or predicted value of the dependent variable? (Round your answer to 3 decimal places.)

 

 

 

 

  1. How large is the sample? How many independent variables are there?

 

 

 

 

 

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