$\left(n_1\mathrm{,}{n}_2\right)$

$B_E$

$B_O$

$B_{OC}$

${\sigma }_E^2$

${\sigma }_O^2$

${\sigma }_{OC}^2$

(250, 50)

0.559

0.241

0.021

0.043

0.028

0.017

(200, 100)

0.624

0.326

0.023

0.056

0.031

0.022

(150, 150)

0.769

0.457

0.025

0.059

0.034

0.022

(100, 200)

0.812

0.608

0.022

0.065

0.038

0.023

(50, 250)

0.838

0.809

0.023

0.078

0.044

0.026