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Descriptive Statistics by Sex.
| Sex | n | Age (Number of Years) | Reproductive Success (Number of Living Children) | Fertility (Number of Children Born) | Offspring Mortality (Proportion of Children That Died) | Voice Pitch (Hz) |
|---|---|---|---|---|---|---|
| Male | 53 | 37.4 (11.3) | 2.8 (2.6) | 4.6 (3.8) | .43 (.30) | 116.571 (19.790) |
| Female | 49 | 31.0 (7.7) | 2.5 (2.0) | 3.4 (2.4) | .28 (.34) | 205.355 (30.777) |
Note. Values are mean statistics with standard deviations are in parentheses.
