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The Results from Minitab Version 15 are as follows. Please let me know if you still have any questions. log(GDP) is the natural-log for GDP.
Regression Analysis: log(GDP) versus Cost, HR Cost, ...
The regression equation is
log(GDP) = - 0.655 + 0.000022 Cost + 0.000000 HR Cost + 0.000000 RD Cost
+ 0.00369 TotalEmployed - 0.0313 Structure
Predictor Coef SE Coef T P
Constant -0.6548 0.2593 -2.52 0.019
Cost 0.0000223 0.0001960 0.11 0.910
HR Cost 0.00000031 0.00000044 0.71 0.486
RD Cost 0.00000028 0.00000903 0.03 0.976
TotalEmployed 0.0036862 0.0002856 12.91 0.000
Structure -0.03131 0.04017 -0.78 0.444
S = 0.150868 R-Sq = 98.9% R-Sq(adj) = 98.7%
Analysis of Variance
Source DF SS MS F P
Regression 5 49.1163 9.8233 431.58 0.000
Residual Error 23 0.5235 0.0228
Total 28 49.6398
Source DF Seq SS
Cost 1 32.6374
HR Cost 1 3.5031
RD Cost 1 0.2090
TotalEmployed 1 12.7529
Structure 1 0.0138
Unusual Observations
Obs Cost log(GDP) Fit SE Fit Residual St Resid
19 448 7.3076 7.0503 0.0914 0.2573 2.14R
R denotes an observation with a large standardized residual.
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