Standard Deviation-Mean Plot
Section	Mean	Standard Deviation	Range
1	898.25	1.70782512765993	4
2	905.25	12.5266382827424	26
3	892	1.41421356237310	3
4	886.5	7.76745346515403	18
5	886.25	16.0286202358989	35
6	866.5	3.69684550213647	9
7	856.75	7.5	18
8	859.25	15.2616076042685	33
9	825.75	2.98607881119482	7
10	815	5.29150262212918	12
11	811.5	13.5277492584687	30
12	769.75	5.85234995535981	12
13	742.75	7.27438428093173	17
14	729.75	16.5403546918841	35
15	694	4.39696865275764	10
16	654	13.4412301024373	31
17	636.5	21.4242852856285	45
18	595.5	4.79583152331272	10
19	539.75	19.8053023203384	45
20	516.75	19.3627649540727	43
21	470.25	10.1447851956888	19
22	413.25	16.4595463687997	37
23	388.25	17.3469497799085	41
24	337.75	10.0457287772798	22
25	279.75	17.8582380616529	38
26	251.75	20.4022057631032	48
27	194.5	14.247806848775	33
28	128	18.3484785926972	39
29	91.75	21.5154982899924	48
30	37.75	12.5532200384337	29

Regression: S.E.(k) = alpha + beta * Mean(k)
alpha	19.8933301090762
beta	-0.0132004861996526
S.D.	0.00356133775417746
T-STAT	-3.70660889553887
p-value	0.000917399785517359

Regression: ln S.E.(k) = alpha + beta * ln Mean(k)
alpha	4.944861159188
beta	-0.430806614225836
S.D.	0.164496459373270
T-STAT	-2.61894156182573
p-value	0.0140781558162691
Lambda	1.43080661422584