Standard Deviation-Mean Plot
Section	Mean	Standard Deviation	Range
1	20.7716666666667	0.0406388379695482	0.120000000000001
2	20.9458333333333	0.100494987060263	0.32
3	21.24	0.0831209414593634	0.230000000000000
4	21.5	0.0491750121319939	0.109999999999999
5	21.62	0.0966718911858798	0.300000000000001
6	21.9808333333333	0.0625893301004587	0.209999999999997

Regression: S.E.(k) = alpha + beta * Mean(k)
alpha	0.0145947898282921
beta	0.00269503945549102
S.D.	0.0279317749792997
T-STAT	0.0964865089128179
p-value	0.927775128565487

Regression: ln S.E.(k) = alpha + beta * ln Mean(k)
alpha	-10.1754441870683
beta	2.44752669966689
S.D.	8.79383000211787
T-STAT	0.278323176485949
p-value	0.794559254285853
Lambda	-1.44752669966689