Table 2. Settlement of New World inferred parameters.

parametera	maximum likelihood	conventional bootstrap 95% confidence interval	parametric bootstrap bias-corrected 95% confidence interval
	1,500	700–2,100	900–2,200
(%)	0.23	0.08–0.45	0.16–0.34
	590	320–800	410–790
(%)	0.37	0.16–0.60	0.24–0.51
	800	160–1,800	140–1,600
(%)	0.50	0.14–1.17	0.41–0.98
()	13.5	7.5–32.2	9.9–20.8
(kya)	26.4	18.1–43.1	21.7–30.7
(kya)	21.6	16.3–26.9	18.6–24.7
(%)	48	42–60	41–55

aSee Figure 3B for model schematic. Growth rates and migration rates are per generation. is the average European admixture proportion of the Mexican-Americans sampled.