| Standard Deviation-Mean Plot | |||
| Section | Mean | Standard Deviation | Range |
| 1 | 21 | 2.21564683762799 | 7 |
| 2 | 17.3333333333333 | 4.03018910752638 | 13 |
| 3 | 23 | 2.89199522192488 | 10 |
| 4 | 22.9166666666667 | 3.02890119090115 | 10 |
| 5 | 9 | 6.74199862463242 | 18 |
| Regression: S.E.(k) = alpha + beta * Mean(k) | |
| alpha | 9.1603843778644 |
| beta | -0.288398830098758 |
| S.D. | 0.053913470123068 |
| T-STAT | -5.34929080692508 |
| p-value | 0.0127783366164524 |
| Regression: ln S.E.(k) = alpha + beta * ln Mean(k) | |
| alpha | 4.07708938559989 |
| beta | -0.982999908643526 |
| S.D. | 0.247754145712586 |
| T-STAT | -3.96764262336051 |
| p-value | 0.0286096289810565 |
| Lambda | 1.98299990864353 |
