Fig. 4.

Differences between male and female postcranial measurements. (A) Comparison of femur and tibia maximal lengths between Yangshao and Eastern Zhou by sex. ANOVA followed by a posthoc Tukey’s test was used to analyze the difference in means. The P value for the Tukey’s test is shown. (B) KDEs of male–female differences distribution for pooled Yangshao and Eastern Zhou samples. The male–female pairs were assembled by a random draw from within each pooled sample. The gray areas indicate the 95% confidence bands for equality of male–female KDEs.