Table 1. Coefficients of variation observed for genes expressing at a minimum level of 10, 50, or 200 counts.

	>10	>50	>200
Human Pancreas	33.44	29.80	28.88
Human Colon	27.96	22.35	19.23
Human Prostate	27.57	19.96	15.33
Mouse Breast	26.45	19.67	17.01
Mouse Lung	37.72	27.58	20.74
Mouse Muscle	26.06	18.79	15.18
Rat Brain	21.33	15.96	12.98
Rat Kidney	20.62	15.24	11.52
Rat Liver	19.24	13.72	10.73
Average	26.71	20.34	16.84