| Standard Deviation-Mean Plot | |||
| Section | Mean | Standard Deviation | Range |
| 1 | 634.666666666667 | 135.801548614368 | 409 |
| 2 | 639.833333333333 | 145.229494458275 | 508 |
| 3 | 706.333333333333 | 163.343104222277 | 560 |
| 4 | 785 | 177.262517188491 | 619 |
| Regression: S.E.(k) = alpha + beta * Mean(k) | |
| alpha | -21.449924733339 |
| beta | 0.255776931636071 |
| S.D. | 0.0435285611251144 |
| T-STAT | 5.87607136612878 |
| p-value | 0.0277614473803504 |
| Regression: ln S.E.(k) = alpha + beta * ln Mean(k) | |
| alpha | -2.50708867217754 |
| beta | 1.15498310617964 |
| S.D. | 0.209538357373 |
| T-STAT | 5.51203665362162 |
| p-value | 0.0313729625652835 |
| Lambda | -0.154983106179642 |
