Standard Deviation-Mean Plot
Section	Mean	Standard Deviation	Range
1	8.315	0.0772442015083766	0.16
2	8.465	0.00999999999999979	0.0199999999999996
3	8.3775	0.0556027577253739	0.129999999999999
4	8.495	0.0704745817062193	0.149999999999999
5	8.5175	0.0758836829188812	0.18
6	8.2025	0.122031416719904	0.280000000000001
7	7.8525	0.0262995563967657	0.0599999999999996
8	8.02	0.102306728354819	0.23
9	8.0475	0.0684957419601149	0.159999999999999
10	8.1	0.116045967903528	0.260000000000001
11	8.1825	0.017078251276599	0.0399999999999991
12	8.135	0.0838649708360608	0.18
13	8.12	0.0559761854124894	0.130000000000001
14	8.2625	0.00957427107756318	0.0199999999999996
15	8.19	0.0883176086632783	0.19
16	8.325	0.119023807142381	0.27
17	8.4525	0.0478713553878167	0.109999999999999
18	8.4875	0.0877021474461528	0.200000000000001
19	8.4125	0.0797391580927043	0.19
20	8.4275	0.0359397644214128	0.0800000000000001
21	8.3375	0.117862914721581	0.27

Regression: S.E.(k) = alpha + beta * Mean(k)
alpha	0.150920633407298
beta	-0.0097970829292343
S.D.	0.0447510936480303
T-STAT	-0.218923877174687
p-value	0.829043856777197

Regression: ln S.E.(k) = alpha + beta * ln Mean(k)
alpha	-0.815865942191441
beta	-0.971689834045725
S.D.	7.94123177483068
T-STAT	-0.122360089920237
p-value	0.903898802822294
Lambda	1.97168983404572