Standard Deviation-Mean Plot
Section	Mean	Standard Deviation	Range
1	861	86.4677203739446	191
2	836.75	46.8143496519319	106
3	822.75	79.3110963232762	186
4	835.25	54.0208293161073	131
5	753	55.208694967369	120
6	706.5	28.7576076890968	69
7	700.25	68.2806707641335	150
8	664.25	47.8844094321593	107
9	623.5	110.792599030802	268
10	569	107.861021689951	249
11	516.75	73.9656451784656	170
12	626	59.3801313572141	123
13	894.5	130.160157754463	267
14	877.5	129.203973107125	268
15	867.75	37.2413300872387	79
16	849.25	103.831193129361	223
17	790.25	163.929608877306	394
18	751.75	105.113827190654	250

Regression: S.E.(k) = alpha + beta * Mean(k)
alpha	48.4252128643026
beta	0.0455168340737599
S.D.	0.0796215171296792
T-STAT	0.571664993517102
p-value	0.575492705609564

Regression: ln S.E.(k) = alpha + beta * ln Mean(k)
alpha	2.96477254303632
beta	0.204073165989377
S.D.	0.72821112050937
T-STAT	0.280239013442464
p-value	0.782885068770373
Lambda	0.795926834010623