Standard Deviation-Mean Plot
Section	Mean	Standard Deviation	Range
1	18.8525	0.803720043977322	2.27
2	19.7258333333333	0.784421713265526	1.98
3	19.8341666666667	0.551715643710736	2.11
4	17.95	0.591623344551398	2.14
5	18.685	0.803350936560559	2.29

Regression: S.E.(k) = alpha + beta * Mean(k)
alpha	0.68215174055624
beta	0.00130537867155205
S.D.	0.0919644807010199
T-STAT	0.0141943787601638
p-value	0.989566105603092

Regression: ln S.E.(k) = alpha + beta * ln Mean(k)
alpha	-0.455406796295067
beta	0.0324122357335945
S.D.	2.5767808557876
T-STAT	0.0125785767387998
p-value	0.99075374800293
Lambda	0.967587764266405