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. 2009 Mar 23;106(15):6094–6098. doi: 10.1073/pnas.0808160106

Fig. 2.

Fig. 2.

Variances in shape space for each group and their bootstrap distributions. Bootstrap distributions for the shape variances of the 5 different groups (20,000 bootstraps each; color coding as in Fig. 1). Because of the small and heterogeneous early AMH sample the distribution of its variance is very wide, i.e., shape variance of early AMH is known with low confidence only. Yet, the shape variances of both early AMH and of recent humans are significantly (P < 0.05) larger than the variances of Neanderthals and of archaic Homo.