| Standard Deviation-Mean Plot | |||
| Section | Mean | Standard Deviation | Range |
| 1 | 29809.3333333333 | 9534.14643491615 | 29876 |
| 2 | 26911.9166666667 | 6314.13737660229 | 23731 |
| 3 | 25653 | 8306.22420510394 | 25331 |
| 4 | 23293.1666666667 | 4863.97725086885 | 15966 |
| 5 | 23712.25 | 6639.82068658484 | 22631 |
| 6 | 22142.25 | 5608.35850437865 | 19045 |
| 7 | 29809.3333333333 | 9534.14643491615 | 29876 |
| 8 | 26911.9166666667 | 6314.13737660229 | 23731 |
| 9 | 25653 | 8306.22420510394 | 25331 |
| 10 | 23293.1666666667 | 4863.97725086885 | 15966 |
| 11 | 23712.25 | 6639.82068658484 | 22631 |
| 12 | 22142.25 | 5608.35850437865 | 19045 |
| Regression: S.E.(k) = alpha + beta * Mean(k) | |
| alpha | -5889.437038766 |
| beta | 0.505559118946274 |
| S.D. | 0.112707409077014 |
| T-STAT | 4.48558904056449 |
| p-value | 0.00116886453124235 |
| Regression: ln S.E.(k) = alpha + beta * ln Mean(k) | |
| alpha | -9.59236860367953 |
| beta | 1.81632201037388 |
| S.D. | 0.434804988851265 |
| T-STAT | 4.17732559870696 |
| p-value | 0.00189575241243534 |
| Lambda | -0.816322010373883 |
