Table 3. Observable dependence on gender for dyads.

Lengths in millimetres, times in seconds.

Gender	$N_g^k$	V	r	x	y
Two females	252	1102 ± 12 (σ = 193)	790 ± 14 (σ = 227)	647 ± 7.8 (σ = 123)	321 ± 20 (σ = 311)
Mixed	371	1111 ± 9.5 (σ = 183)	824 ± 14 (σ = 273)	613 ± 9 (σ = 174)	416 ± 18 (σ = 350)
Two males	466	1254 ± 8.3 (σ = 178)	846 ± 11 (σ = 228)	699 ± 7.7 (σ = 166)	349 ± 14 (σ = 293)
F2,1086		84.6	4.37	30.7	7.69
p		< 10−8	0.0129	< 10−8	0.000484
R2		0.135	0.00798	0.0535	0.014
δ		0.825	0.248	0.51	0.282