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Table 1 Parameters of the models for egg production over time in the control (n = 23) and treatment (n = 18) colonies

From: Experimental increase of worker diversity benefits brood production in ants

Parameter Estimate control (± se) Estimate treatment (± se) t-value p-value
a 3.23 ± 0.78 2.95 ± 1.17 −0.24 0.81
b 0.40 ± 0.07 0.12 ± 0.11 1.10 0.27
c −0.03 ± 0 −0.006 ± 0 −1.52 0.13
d 0.0006 ± 0 0.0001 ± 0 1.63 0.10
e −0.000004 ± 0 −0.000001 ± 0 −1.56 0.12
  1. The models are based on a quintic function \(y = a*x + b*x^{2} + c*x^{3} + d*x^{4} + e*x^{5}\). y stands for the number of eggs, x is the number of days after setup, and a, b, c, d and e are the parameters estimated by the models