a

b

N

95%

90%

C P ( a )

C P ( b )

C P ( a )

C P ( b )

0.8

0.5

25

50

100

200

500

0.942

0.946

0.958

0.963

0.958

0.923

0.938

0.940

0.964

0.944

0.894

0.883

0.901

0.909

0.911

0.868

0.885

0.890

0.921

0.901

2

25

50

100

200

500

0.961

0.955

0.943

0.960

0.951

0.961

0.958

0.953

0.954

0.965

0.913

0.897

0.884

0.905

0.904

0.905

0.900

0.896

0.904

0.917

1.5

0.5

25

50

100

200

500

0.942

0.944

0.954

0.955

0.944

0.941

0.937

0.938

0.951

0.950

0.886

0.897

0.904

0.895

0.908

0.882

0.885

0.888

0.883

0.900

2

25

50

100

200

500

0.948

0.955

0.947

0.954

0.949

0.960

0.947

0.951

0.951

0.952

0.877

0.912

0.908

0.904

0.894

0.911

0.887

0.897

0.901

0.904