Standard Deviation-Mean Plot
Section	Mean	Standard Deviation	Range
1	354.25	1.70782512765993	4
2	361.25	12.5266382827424	26
3	348	1.41421356237310	3
4	350.75	2.06155281280883	5
5	356.5	16.9016764454496	35
6	331	2.58198889747161	6
7	339	4.69041575982343	9
8	351.5	18.1567251085284	39
9	315.75	3.30403793359983	8
10	316.75	4.78713553878169	11
11	321.75	20.3203510468364	44
12	287	3.65148371670111	8
13	288.25	5.7373048260195	13
14	288.25	22.8965062837106	48
15	249	4.54606056566195	11
16	251.25	5.1234753829798	12
17	261.75	20.3203510468364	49
18	223.5	6.35085296108588	11
19	232.5	3.41565025531987	8
20	229.75	27.2809457314075	62
21	181.75	9.74251849711699	22
22	184.5	5.97215762238964	14
23	198.75	21.2190951739229	51
24	165.25	10.8128010555391	26
25	163.25	8.9953691790091	17
26	167.75	25.0383039894212	59
27	126	13.7113092008021	30
28	126.5	7.72442015083764	16
29	140	27.1538824725551	64
30	95	15.8534959341255	31

Regression: S.E.(k) = alpha + beta * Mean(k)
alpha	19.2015839322187
beta	-0.0318213335180496
S.D.	0.0180337573820749
T-STAT	-1.76454262103356
p-value	0.0885484960332208

Regression: ln S.E.(k) = alpha + beta * ln Mean(k)
alpha	7.41887035212966
beta	-0.974738003063468
S.D.	0.403964773424291
T-STAT	-2.41292822342132
p-value	0.0226198423338434
Lambda	1.97473800306347