Table B3.

Descriptive statistics for mean speaking F₀ in Hertz and semitone standard deviation (STSD).

Family	F0				STSD
	Male		Female		Male		Female
	M	SD	M	SD	M	SD	M	SD
17	105.71	8.57	212.20	25.86	2.02	0.41	2.40	0.67
18	N/A	N/A	177.58	7.77	N/A	N/A	2.17	0.17
19	105.09	15.66	183.42	3.90	2.47	0.39	2.35	0.30
20	111.07	8.31	202.77	9.07	2.03	0.35	2.08	0.61
21	104.12	4.48	180.96	0.71	2.30	0.23	2.18	0.26
22	111.69	6.87	187.99	15.09	2.20	0.26	2.11	0.28
23	95.37	8.43	206.06	11.92	1.63	0.37	2.07	0.21
24	106.19	12.88	220.40	13.63	2.17	0.58	2.14	0.03
27	120.34	21.29	200.38	9.31	2.31	0.20	2.25	0.36
28	106.12	9.03	192.70	10.72	2.27	0.37	2.27	0.72
29	113.57	15.48	215.23	13.59	1.90	0.40	2.00	0.28
30	115.41	8.35	195.92	8.82	2.22	0.80	2.28	0.69
31	115.57	15.54	190.92	8.75	2.28	0.82	2.16	0.33
32	121.98	9.33	199.99	22.24	1.73	0.92	1.77	0.51
33	115.65	11.95	190.53	34.79	1.93	0.51	2.20	0.25
35	123.27	26.99	191.77	15.23	2.53	0.76	2.62	0.44
37	114.98	17.53	205.35	7.63	2.12	0.74	1.94	0.48

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