d) Identify which variables are negatively related with the defence budget outlay. How can you identify? e) Specify and interpret the value of R² for the regression. f) Test at 5% significance level whether the model has any explanatory power by using R².
d) Identify which variables are negatively related with the defence budget outlay. How can you identify? e) Specify and interpret the value of R² for the regression. f) Test at 5% significance level whether the model has any explanatory power by using R².
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter7: Distance And Approximation
Section7.3: Least Squares Approximation
Problem 31EQ
Related questions
Question
![In order to explain the U.S. defense budget, the following variables are considered. Data from
1962-1981 is collected.
Variable
Definition
Y
Defense budget-outlay for year t, $ billions
X2
GNP for year t, $ billions
X3
U.S. military sales/assistance in year t, $ billions
X4
Aerospace industry sales, $ billions
Dependent Variable: Y
Method: Least Squares
Date: 11/22/21 Time: 11:20
Sample: 1962 1981
Included observations: 20
Variable
Coefficient
Std. Error
t-Statistic
Prob.
X2
0.016703
0.007017
2.380261
0.0301
X3
-0.696174
0.453978
-1.533497
0.1447
X4
1.467729
0.277608
5.287047
0.0001
22.77514
3.311695
6.877186
0.0000
R-squared
0.971088
Mean dependent var
83.86000
Adjusted R-squared
0.965667
S.D. dependent var
28.97771
S.E. of regression
Sum squared resid
5.369339
Akaike info criterion
6.376143
461.2769
Schwarz criterion
6.575290
Log likelihood
-59.76143
Hannan-Quinn criter.
6.415019
F-statistic
179.1337
Durbin-Watson stat
0.676777
Prob(F-statistic)
0.000000](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F58c98c03-a205-4442-851c-5d58ade93297%2Ff5a55699-0546-4634-b173-45e86b74f3af%2F958qa2k_processed.png&w=3840&q=75)
Transcribed Image Text:In order to explain the U.S. defense budget, the following variables are considered. Data from
1962-1981 is collected.
Variable
Definition
Y
Defense budget-outlay for year t, $ billions
X2
GNP for year t, $ billions
X3
U.S. military sales/assistance in year t, $ billions
X4
Aerospace industry sales, $ billions
Dependent Variable: Y
Method: Least Squares
Date: 11/22/21 Time: 11:20
Sample: 1962 1981
Included observations: 20
Variable
Coefficient
Std. Error
t-Statistic
Prob.
X2
0.016703
0.007017
2.380261
0.0301
X3
-0.696174
0.453978
-1.533497
0.1447
X4
1.467729
0.277608
5.287047
0.0001
22.77514
3.311695
6.877186
0.0000
R-squared
0.971088
Mean dependent var
83.86000
Adjusted R-squared
0.965667
S.D. dependent var
28.97771
S.E. of regression
Sum squared resid
5.369339
Akaike info criterion
6.376143
461.2769
Schwarz criterion
6.575290
Log likelihood
-59.76143
Hannan-Quinn criter.
6.415019
F-statistic
179.1337
Durbin-Watson stat
0.676777
Prob(F-statistic)
0.000000
![d) Identify which variables are negatively related with the defence budget outlay. How
can you identify?
e) Specify and interpret the value of R2 for the regression.
f) Test at 5% significance level whether the model has any explanatory power by using
R².](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F58c98c03-a205-4442-851c-5d58ade93297%2Ff5a55699-0546-4634-b173-45e86b74f3af%2F3cpp2w_processed.png&w=3840&q=75)
Transcribed Image Text:d) Identify which variables are negatively related with the defence budget outlay. How
can you identify?
e) Specify and interpret the value of R2 for the regression.
f) Test at 5% significance level whether the model has any explanatory power by using
R².
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