Please write out the regression equation and interpret the effect of each independent variables.

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Problem6.Pleasewriteoutthe regressionequationandinterprettheeffectofeach independent variables. Arethecoefficientssignificant,explain?Use2.00ascritical value.

 

 

 

Intercept

Coefficient

-12

StandardError

X

t-Stat

7.2

X1

9.6

X

-2.9

X2

-4.5

X

3.2

X3

-4

X

1.7

X4

7.9

X

1.23

 

 

 

Problem7.Pleasewriteoutthe regressionequationanddemonstratethe impactonthe equationfromremovingoneindependentvariableX4. Arethe coefficientssignificant?Use2.00as criticalvalue.

 

 

Coefficient

StandardError

t-Stat

Intercept

3

X

7.2

X1

X2

9.6

-4.5

X X

-5.9

3.2

X3

-4

X

2.7

 

 

 

    • 11 years ago
    Please write out the regression equation and interpret the effect of each independent variables.
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