Table 3 . Daily wet and dry mass produced by humans from low and high income populations.

	Wet weight	Wet weight	Dry weight	Dry weight
	(g/cap/day)	(g/cap/day)	(g/cap/day)	(g/cap/day)
	High income*	Low income*	High income*	Low income*
Median	126	250	28	38
n	95	17	57	8
Minimum	51	75	12	18
Maximum	796	520	81	62
Skewness	4.178	0.598	2.378	0.098
Std. error of skewness	0.248	0.550	0.327	0.752
Mean	149	243	30	39
St dev	95.0	130.2	11.7	14.1
Variance	9024	16,960	136	201

*Classifications acquired from the 2011 HDI report (UNDP, ²⁰¹¹) where the four tiers were split into two sections with “very high” and “high” comprising the high income classification and “medium” and “low” comprising the low income classification.