样本

真值

估计值

真值

估计值

n = 15 r = 5

2

1.808759

0.09562

0.8

0.58897

0.263788

n = 15 r = 6

2

2.088105

0.044052

0.8

0.824554

0.030693

n = 15 r = 7

2

1.956924

0.021538

0.8

0.704688

0.11914

n = 15 r = 8

2

1.873929

0.063035

0.8

0.622486

0.221892

n = 15 r = 9

2

1.999523

0.000238

0.8

0.757206

0.053492

n = 15 r = 10

2

1.974166

0.012917

0.8

0.727117

0.091104

n = 15 r = 11

2

1.985079

0.00746

0.8

0.741101

0.073623

n = 15 r = 12

2

2.003595

0.001797

0.8

0.767312

0.04086

n = 15 r = 13

2

1.99054

0.00473

0.8

0.747343

0.065822

n = 15 r = 14

2

2.01821

0.009105

0.8

0.796099

0.004877

n = 15 r = 15

2

2.003455

0.001727

0.8

0.762231

0.047211