Question

The regression analysis was rerun below dropping variables X4, X5, and X6. Term Coef SE Coef...

  1. The regression analysis was rerun below dropping variables X4, X5, and X6.

Term

Coef

SE Coef

T-Value

Constant

-5.1

14.7

-0.35

X 1

12.44

2.32

5.36

X 3

6.41

1.70

3.76

X 7

0.0979

0.0510

1.92

X 9

-0.0263

0.0146

-1.80

Use the t-test at the 0.05 level of significance to determine the significance of each independent variable.

1) What is the value of the T Critical Point?            

2) How many degrees of freedom?

3) Would you eliminate any variable from the model?        

4) If YES, which?

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