Standard Deviation-Mean Plot
Section	Mean	Standard Deviation	Range
1	75.1675	0.269242765300516	0.580000000000013
2	75.555	0.0776745346515416	0.170000000000002
3	75.3125	0.0644851404071786	0.150000000000006
4	77.9775	0.306308667849932	0.719999999999999
5	77.4575	0.0189296944859968	0.039999999999992
6	78.29	0.374788829431541	0.799999999999997
7	78.3975	0.30059662894539	0.640000000000001
8	78.35	0.0673300329224145	0.140000000000001
9	78.95	0.454459385790782	0.980000000000004
10	79.225	0.216101827849743	0.469999999999999
11	79.19	0.0535412613473625	0.109999999999999
12	79.83	0.410690475500305	0.939999999999998
13	80.3525	0.160908876904494	0.36999999999999
14	79.88	0.0770281333886059	0.179999999999993
15	80.2825	0.309017259496403	0.650000000000006
16	80.2075	0.456170655201169	0.97999999999999
17	79.37	0.0905538513813734	0.189999999999998
18	79.9	0.256255081250438	0.540000000000006

Regression: S.E.(k) = alpha + beta * Mean(k)
alpha	-1.93817250740339
beta	0.0274820157356193
S.D.	0.0208358362915211
T-STAT	1.31897829062915
p-value	0.205743155604666

Regression: ln S.E.(k) = alpha + beta * ln Mean(k)
alpha	-60.1417127503582
beta	13.3645380416699
S.D.	10.030418237632
T-STAT	1.33240087552172
p-value	0.201395234384745
Lambda	-12.3645380416699