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	348	4.39696865275764	10
5	358.75	11.4418821295566	24
6	352.5	4.50924975282289	10
7	345.25	3.77491721763537	7
8	369.5	8.85061203156784	18
9	365.75	5.61990510002912	13
10	357	8.60232526704263	21
11	372.5	14.8884742894182	32
12	362	6.58280588604383	16
13	358.25	7.36545993132812	15
14	371.5	19.1224126790180	41
15	344.75	6.07590871118606	14
16	336.5	15.0222057856583	34
17	333	19.6129209111409	43
18	309.5	5.91607978309962	13
19	283.25	13.7446959466795	27
20	276.5	16.3401346383682	36
21	261	3.91578004149024	9
22	233.75	13.6717470232106	26
23	225.75	17.1731379388470	37
24	213.25	2.98607881119482	7
25	187	16.9901932498329	37
26	170.5	22.4870333006972	51
27	141	3.74165738677394	9
28	119.75	13.3260396717604	31
29	108	26.9196334794266	61
30	61.75	3.30403793359983	7

Regression: S.E.(k) = alpha + beta * Mean(k)
alpha	15.7344740590558
beta	-0.0185408902052449
S.D.	0.0133557928134081
T-STAT	-1.38822834887281
p-value	0.176014661128088

Regression: ln S.E.(k) = alpha + beta * ln Mean(k)
alpha	2.99089087234818
beta	-0.161335334836302
S.D.	0.325502695384741
T-STAT	-0.49564976611209
p-value	0.624009537981624
Lambda	1.16133533483630