Table 2.

Example of differing summary values depending upon the underlying assumptions and estimation procedures for obtaining the mean.

	Number	Ln number	1/Number
	11	2.4	0.09
	7	1.95	0.14
	9	2.20	0.11
	4	1.39	0.25
	10	2.30	0.10
	12	2.48	0.08
	23	3.14	0.04
	15	2.71	0.07
	7	1.95	0.14
	18	2.89	0.06
Type of estimate	Arithmetic	Geometric	Harmonic
Mean	11.60	10.38	9.20
Stdev	5.70	5.29	5.06
%CV	49.14	50.96	50.03