Standard Deviation-Mean Plot
Section	Mean	Standard Deviation	Range
1	208.25	1.70782512765993	4
2	215.25	12.5266382827424	26
3	202	1.4142135623731	3
4	194	4.69041575982343	10
5	207.5	14.3874945699382	30
6	195.25	2.98607881119482	7
7	176.5	5.44671154612273	13
8	198.25	14.2682631505497	31
9	191.5	3.51188458428425	7
10	165.5	6.85565460040104	15
11	193.25	14.4769932421526	33
12	190.75	6.65206734782504	15
13	180	7.07106781186548	17
14	200.5	16.1967074843418	34
15	185.75	3.40342964277702	7
16	165.75	5.5	13
17	189.75	17.9513230710162	39
18	181.5	7.85281265959316	19
19	163.5	6.13731754650732	13
20	185.75	19.5682566077478	44
21	172.5	2.88675134594813	5
22	145.25	5.31507290636732	12
23	160.75	19.6192932254622	44
24	135.75	3.86221007541882	8
25	105.75	11.7011395456454	25
26	119.25	21.203380233664	49
27	96.5	4.79583152331272	11
28	61.75	16.9779268463496	38
29	64.5	19.192012227313	43
30	36	5.94418483337567	14

Regression: S.E.(k) = alpha + beta * Mean(k)
alpha	13.5000268303909
beta	-0.0247310722593749
S.D.	0.0247517686798331
T-STAT	-0.99916384074504
p-value	0.326272405667898

Regression: ln S.E.(k) = alpha + beta * ln Mean(k)
alpha	3.79441896821747
beta	-0.35732938400383
S.D.	0.335665931915483
T-STAT	-1.06453872743273
p-value	0.296179254582703
Lambda	1.35732938400383