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. 2008 Jul 8;275(1649):2319–2326. doi: 10.1098/rspb.2008.0573

Table 1.

Chi-squared tests for biased association between ant lineages and scale insect lineages. (The p-values are from 5000 Monte Carlo simulations; n.s., not significant.)

ant lineage (sample size) scale insect lineage expected proportion observed proportion p
A (3) L2 28/160 (0.18) 0/3 (0.00) n.s.
L3 14/160 (0.09) 0/3 (0.00) n.s.
L4 7/160 (0.04) 0/3 (0.00) n.s.
L5 107/160 (0.67) 2/3 (0.67) n.s.
L6 4/160 (0.03) 1/3 (0.33) n.s.
D (12) L2 28/160 (0.18) 4/12 (0.33) n.s.
L3 14/160 (0.09) 2/12 (0.17) n.s.
L4 7/160 (0.04) 0/12 (0.00) n.s.
L5 107/160 (0.67) 6/12 (0.50) n.s.
L6 4/160(0.03) 0/12 (0.00) n.s.
F (10) L2 28/160 (0.18) 0/10 (0.00) n.s.
L3 14/160 (0.09) 4/10 (0.40) n.s.
L4 7/160 (0.04) 0/10 (0.00) n.s.
L5 107/160(0.67) 6/10 (0.60) n.s.
L6 4/160 (0.03) 0/10 (0.00) n.s.
G (47) L2 28/160 (0.18) 6/47 (0.13) n.s.
L3 14/160 (0.09) 1/47 (0.02) n.s.
L4 7/160 (0.04) 2/47 (0.04) n.s.
L5 107/160 (0.67) 37/47 (0.79) n.s.
L6 4/160 (0.03) 1/47(0.02) n.s.
H (61) L2 28/160 (0.18) 10/61(0.16) n.s.
L3 14/160 (0.09) 2/61 (0.03) n.s.
L4 7/160 (0.04) 4/61 (0.07) n.s.
L5 107/160 (0.67) 44/61 (0.72) n.s.
L6 4/160 (0.03) 1/61 (0.02) n.s.
K (37) L1 53/60 (0.88) 35/37 (0.95) n.s.
L2 2/60 (0.03) 1/37 (0.03) n.s.
L3 3/60 (0.05) 0/37 (0.00) n.s.
L6 2/60 (0.03) 1/37 (0.03) n.s.