Standard Deviation-Mean Plot
Section	Mean	Standard Deviation	Range
1	23.25	1.70782512765993	4
2	30.25	12.5266382827424	26
3	17	1.4142135623731	3
4	19.5	1.29099444873581	3
5	34.75	14.7280910734102	31
6	23.5	8.18535277187245	16
7	32.25	2.62995563967658	6
8	49	12.6491106406735	28
9	40.5	8.42614977317636	18
10	40.75	5.7373048260195	14
11	69.25	10.4682058316281	23
12	59.5	7.895146188218	16
13	63	10.6144555520604	23
14	87.75	5.43905629069357	12
15	91.5	12.5565388012249	25
16	91.5	4.65474668125631	11
17	112.5	5.5075705472861	12
18	122	18.4571575998762	37
19	127.75	7.5	16
20	150.5	8.81286937760152	20
21	158	20.5101600838869	43
22	162.25	7.5	16
23	189.25	10.6262254195301	23
24	191.5	19.8074060223274	44
25	188.25	5.90903263374528	13
26	208.25	8.13941029804985	19
27	226	19.2700112437262	41
28	222.25	9.9121138007995	24
29	245	6.97614984548545	17
30	266.25	18.1911150473704	40

Regression: S.E.(k) = alpha + beta * Mean(k)
alpha	6.03916973717239
beta	0.0319676683505637
S.D.	0.0119780818303328
T-STAT	2.66884704941738
p-value	0.0125186826221147

Regression: ln S.E.(k) = alpha + beta * ln Mean(k)
alpha	-0.178414117002972
beta	0.505500031981645
S.D.	0.133307475420074
T-STAT	3.79198563612978
p-value	0.000731894777659911
Lambda	0.494499968018355