卡方检验计算公式

卡方检验计算公式

t检验临界值表

n’P(2): 0.5 0.2 0.1 0.05 0.02 0.01 0.005 0.002
n’P(1): 0.25 0.1 0.05 0.025 0.01 0.005 0.0025 0.001
1 1 3.078 6.314 12.706 31.821 63.657 127.321 318.309
2 0.816 1.886 2.92 4.303 6.965 9.925 14.089 22.327
3 0.765 1.638 2.353 3.182 4.541 5.841 7.453 10.215
4 0.741 1.533 2.132 2.776 3.747 4.604 5.598 7.173
5 0.727 1.476 2.015 2.571 3.365 4.032 4.773 5.893
6 0.718 1.44 1.943 2.447 3.143 3.707 4.317 5.208
7 0.711 1.415 1.895 2.365 2.998 3.499 4.029 4.785
8 0.706 1.397 1.86 2.306 2.896 3.355 3.833 4.501
9 0.703 1.383 1.833 2.262 2.821 3.25 3.69 4.297
10 0.7 1.372 1.812 2.228 2.764 3.169 3.581 4.144
11 0.697 1.363 1.796 2.201 2.718 3.106 3.497 4.025
12 0.695 1.356 1.782 2.179 2.681 3.055 3.428 3.93
13 0.694 1.35 1.771 2.16 2.65 3.012 3.372 3.852
14 0.692 1.345 1.761 2.145 2.624 2.977 3.326 3.787
15 0.691 1.341 1.753 2.131 2.602 2.947 3.286 3.733
16 0.69 1.337 1.746 2.12 2.583 2.921 3.252 3.686
17 0.689 1.333 1.74 2.11 2.567 2.898 3.222 3.646
18 0.688 1.33 1.734 2.101 2.552 2.878 3.197 3.61
19 0.688 1.328 1.729 2.093 2.539 2.861 3.174 3.579
20 0.687 1.325 1.725 2.086 2.528 2.845 3.153 3.552
21 0.686 1.323 1.721 2.08 2.518 2.831 3.135 3.527
22 0.686 1.321 1.717 2.074 2.508 2.819 3.119 3.505
23 0.685 1.319 1.714 2.069 2.5 2.807 3.104 3.485
24 0.685 1.318 1.711 2.064 2.492 2.797 3.091 3.467
25 0.684 1.316 1.708 2.06 2.485 2.787 3.078 3.45
26 0.684 1.315 1.706 2.056 2.479 2.779 3.067 3.435
27 0.684 1.314 1.703 2.052 2.473 2.771 3.057 3.421
28 0.683 1.313 1.701 2.048 2.467 2.763 3.047 3.408
29 0.683 1.311 1.699 2.045 2.462 2.756 3.038 3.396
30 0.683 1.31 1.697 2.042 2.457 2.75 3.03 3.385
31 0.682 1.309 1.696 2.04 2.453 2.744 3.022 3.375
32 0.682 1.309 1.694 2.037 2.449 2.738 3.015 3.365
33 0.682 1.308 1.692 2.035 2.445 2.733 3.008 3.356
34 0.682 1.307 1.691 2.032 2.441 2.728 3.002 3.348
35 0.682 1.306 1.69 2.03 2.438 2.724 2.996 3.34
36 0.681 1.306 1.688 2.028 2.434 2.719 2.99 3.333
37 0.681 1.305 1.687 2.026 2.431 2.715 2.985 3.326
38 0.681 1.304 1.686 2.024 2.429 2.712 2.98 3.319
39 0.681 1.304 1.685 2.023 2.426 2.708 2.976 3.313
40 0.681 1.303 1.684 2.021 2.423 2.704 2.971 3.307
50 0.679 1.299 1.676 2.009 2.403 2.678 2.937 3.261
60 0.679 1.296 1.671 2 2.39 2.66 2.915 3.232
70 0.678 1.294 1.667 1.994 2.381 2.648 2.899 3.211
80 0.678 1.292 1.664 1.99 2.374 2.639 2.887 3.195
90 0.677 1.291 1.662 1.987 2.368 2.632 2.878 3.183
100 0.677 1.29 1.66 1.984 2.364 2.626 2.871 3.174
200 0.676 1.286 1.653 1.972 2.345 2.601 2.839 3.131
500 0.675 1.283 1.648 1.965 2.334 2.586 2.82 3.107
1000 0.675 1.282 1.646 1.962 2.33 2.581 2.813 3.098
        ∝ 0.6745 1.2816 1.6449 1.96 2.3263 2.5758 2.807 3.0902

表内数据仅供参考