The Head of production at Amiba private limited needed to examine the key determinants of company profitability($,000). So, he collected relevant(monthly) data and following is the summary of his regression output. SUMMARY OUTPUT Regression Statistics Multiple R 0.5776 R Square 0.3336 Adjusted R Square 0.2670 Standard Error 2.2743 Observations 34 ANOVA df SS MS F Significance F Regression 3 77.6774 25.8925 5.0060 0.0062 Residual 30 155.1693 5.1723 Total 33 232.8467 Coefficients Standard Error t Stat P-value Lower 95% Upper 95% Lower 95.0% Upper 95.0% Intercept 10.49 2.9211 3.5927 0.0012 4.5291 16.4605 4.5291 16.4605 Variable X 0.99 1.2461 0.7937 0.4336 -1.5559 3.5340 -1.5559 3.5340 Variable Y 2.56 1.1291 2.2663 0.0308 0.2529 4.8648 0.2529 4.8648 Variable Z 2.06 1.2777 1.6107 0.1177 -0.5515 4.6674 -0.5515 4.6674 1.Based on your opinion, decide the names of the explanatory variables used in the study. (Note: variable selection should have a valid justification)
- The Head of production at Amiba private limited needed to examine the key determinants of company profitability($,000). So, he collected relevant(monthly) data and following is the summary of his regression output.
SUMMARY OUTPUT |
|
Regression Statistics |
|
Multiple R |
0.5776 |
R Square |
0.3336 |
Adjusted R Square |
0.2670 |
Standard Error |
2.2743 |
Observations |
34 |
ANOVA |
|||||
|
df |
SS |
MS |
F |
Significance F |
Regression |
3 |
77.6774 |
25.8925 |
5.0060 |
0.0062 |
Residual |
30 |
155.1693 |
5.1723 |
||
Total |
33 |
232.8467 |
|
|
|
|
Coefficients |
Standard Error |
t Stat |
P-value |
Lower 95% |
Upper 95% |
Lower 95.0% |
Upper 95.0% |
Intercept |
10.49 |
2.9211 |
3.5927 |
0.0012 |
4.5291 |
16.4605 |
4.5291 |
16.4605 |
Variable X |
0.99 |
1.2461 |
0.7937 |
0.4336 |
-1.5559 |
3.5340 |
-1.5559 |
3.5340 |
Variable Y |
2.56 |
1.1291 |
2.2663 |
0.0308 |
0.2529 |
4.8648 |
0.2529 |
4.8648 |
Variable Z |
2.06 |
1.2777 |
1.6107 |
0.1177 |
-0.5515 |
4.6674 |
-0.5515 |
4.6674 |
1.Based on your opinion, decide the names of the explanatory variables used in the study. (Note: variable selection should have a valid justification)
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