Table B2.

Descriptive statistics for spectral skewness and spectral kurtosis for /s/ in Hertz.

Family	Spectral skewness				Spectral kurtosis
	Male		Female		Male		Female
	M	SD	M	SD	M	SD	M	SD
17	0.03	0.42	−1.04	0.63	0.81	1.19	4.09	2.30
18	N/A	N/A	−0.35	0.55	N/A	N/A	0.92	1.33
19	0.29	0.43	−0.24	0.84	2.46	2.51	3.70	1.87
20	0.67	0.85	−0.35	0.57	2.59	2.60	3.38	1.96
21	0.29	0.18	−0.76	0.41	2.08	2.04	1.50	0.34
22	0.39	0.52	−0.39	0.52	1.34	1.22	2.01	1.28
23	0.92	0.59	0.22	0.40	2.46	1.53	2.88	3.58
24	0.49	0.48	−0.25	0.53	0.48	0.52	2.97	2.04
27	0.93	0.43	−0.04	0.72	1.83	1.52	4.64	3.62
28	0.45	0.65	−0.83	0.51	1.91	1.95	5.73	3.66
29	0.49	0.35	−0.02	0.73	1.48	1.05	2.45	1.47
30	0.67	0.48	−0.43	0.44	3.82	1.03	3.34	2.23
31	1.04	1.05	0.00	0.34	2.68	3.88	3.69	2.24
32	0.48	0.63	−0.38	0.64	3.20	0.75	2.42	1.89
33	1.21	0.76	−0.29	0.95	2.96	2.28	3.25	2.97
35	1.11	0.25	−0.78	0.59	2.30	0.63	6.96	4.84
37	0.75	0.37	0.43	0.09	2.08	0.76	5.79	5.53

Note. N/A indicates a family with only one participant of the designated sex.