Standard Deviation-Mean Plot
Section	Mean	Standard Deviation	Range
1	7.48	0.162685791225499	0.350
2	7.55	0.024494897427832	0.0600000000000005
3	7.6575	0.0330403793359984	0.0700000000000003
4	7.6175	0.0826135582092917	0.190000000000000
5	7.6925	0.0249999999999999	0.0599999999999996
6	7.7375	0.0170782512765993	0.04
7	8.0975	0.248512239805876	0.57
8	8.23	0.129357386079548	0.270000000000000
9	8.3275	0.0525198375219622	0.109999999999999
10	8.4175	0.0221735578260830	0.0499999999999989
11	8.5025	0.0275378527364299	0.0599999999999987
12	8.5275	0.0125830573921176	0.0299999999999994
13	8.625	0.111205515450748	0.26
14	8.6	0.0476095228569523	0.0999999999999996
15	8.505	0.119582607431014	0.25
16	8.7625	0.0694622199472491	0.150000000000000
17	8.7375	0.137446959466794	0.279999999999999
18	8.8275	0.080156097709407	0.180000000000000
19	8.97	0.135646599662506	0.300000000000001
20	8.995	0.0173205080756884	0.0399999999999991
21	8.8725	0.0899536917900907	0.190000000000000

Regression: S.E.(k) = alpha + beta * Mean(k)
alpha	0.03140212115447
beta	0.00564597877889813
S.D.	0.0278011323002876
T-STAT	0.203084490153652
p-value	0.841228062004872

Regression: ln S.E.(k) = alpha + beta * ln Mean(k)
alpha	-6.52351208861146
beta	1.72404273306262
S.D.	3.22311236928623
T-STAT	0.534899977267754
p-value	0.598923940336213
Lambda	-0.724042733062623