${\lambda }_1={\lambda }_2$

$E\left(W_1\right)$

$E\left(W_2\right)$

3

0.3378

1.0848

4

0.3387

1.0205

5

0.3391

0.9737

6

0.3408

0.9286

7

0.3444

0.8802