$a=0.6$

$a=0.7$

$a=0.8$

$a=0.9$

$a=1$

极差

$c=5$

0.9981252

0.9997723

1.001419

1.003066

1.004713

0.0065878

$c=6$

0.9991212

1.00077

1.002419

1.004067

1.005716

0.0065948

$c=7$

1.000303

1.001954

1.003604

1.005255

1.006906

0.006603

$c=8$

1.001673

1.003326

1.004979

1.006631

1.008284

0.006611

$c=9$

1.003233

1.004889

1.006544

1.0082

1.009855

0.006622

$c=10$

1.004988

1.006646

1.008305

1.009963

1.011622

0.006634

极差

0.0068628

0.0068737

0.006886

0.006897

0.006909