| Source | SS | df | MS | R2 |
| Model | 718.8 | 1 | 718.8 | 0.9989 |
| Residual | 0.8107 | 184 | 0.0044 |
|
| Total | 719.6 | 185 | 3.890 |
|
| W | Coef. | Std. Err. | t | P > |t| |
| G | 0.0931 | 0.0002 | 404.7 | 0.000 |
| _cons | 0.4373 | 0.0129 | 34.02 | 0.000 |