Table 5.

The age (T, 10³ years) of the MRCA of human sequences

Sequences	Ne	Tmode	Tmean	95% Interval
All samples	10,000	1,288	1,356	712∼2,112
	12,000	1,104	1,203	605∼1,949
	15,000	924	1,034	504∼1,728
Africans	6,000	1,204	1,256	694∼1,882
	8,000	1,158	1,203	646∼1,843
	10,000	1,032	1,105	576∼1,752
Non-Africans	6,000	747	806	384∼1,330
	7,000	678	756	353∼1,277
	8,000	634	713	333∼1,229

The average mutation rate (2.28 × 10⁻⁴ per sequence per generation) was used.