研究文章

比较不同的置信区间下的i型审查计划

表1

精确置信区间和覆盖率。

T n= 10 n= 15 n= 25 n= 50

0.50 3.192 (94.8)(0.6) 3.113 (95.3)(0.1) 2.185 (96.6) 1.102 (96.7)

0.75 3.053 (94.4) 2.425 (96.0) 1.509 (95.7) 0.870 (96.1)

1.00 2.671 (94.2) 1.915 (95.5) 1.215 (95.0) 0.760 (95.5)

1.25 2.333 (93.9) 1.622 (94.8) 1.073 (94.4) 0.699 (94.7)

1.50 2.029 (94.5) 1.434 (94.6) 0.993 (94.0) 0.659 (94.2)

1.75 1.810 (94.8) 1.314 (94.7) 0.940 (94.8) 0.634 (94.7)

2.00 1.638 (94.8) 1.234 (94.7) 0.903 (94.7) 0.616 (94.8)