最近在工作中碰到t检验的时候，发现一般教科书后面的附表有时不能满足需要，比如有些统计量对理论分析非常有用，不过样本很少导致了自由度也很少，这样为了方便分析，我们不得不适度放松对显著性水平的要求，可是一般教科书只能给到10%的水平。于是我就从网上搜集整理了比较完备的分布表，以备后用。
t 分布表
n0.25 0.2 0.15 0.1 0.05 0.025 0.01 0.005 0.0025 0.001 0.0005
11.000 1.376 1.963 3.078 6.314 12.71 31.82 63.66 127.3 318.3 636.6
20.816 1.061 1.386 1.886 2.920 4.303 6.965 9.925 14.09 22.33 31.60
30.765 0.978 1.250 1.638 2.353 3.182 4.541 5.841 7.453 10.21 12.92
40.741 0.941 1.190 1.533 2.132 2.776 3.747 4.604 5.598 7.173 8.610
50.727 0.920 1.156 1.476 2.015 2.571 3.365 4.032 4.773 5.893 6.869
60.718 0.906 1.134 1.440 1.943 2.447 3.143 3.707 4.317 5.208 5.959
70.711 0.896 1.119 1.415 1.895 2.365 2.998 3.499 4.029 4.785 5.408
80.706 0.889 1.108 1.397 1.860 2.306 2.896 3.355 3.833 4.501 5.041
90.703 0.883 1.100 1.383 1.833 2.262 2.821 3.250 3.690 4.297 4.781
100.700 0.879 1.093 1.372 1.812 2.228 2.764 3.169 3.581 4.144 4.587
110.697 0.876 1.088 1.363 1.796 2.201 2.718 3.106 3.497 4.025 4.437
120.695 0.873 1.083 1.356 1.782 2.179 2.681 3.055 3.428 3.930 4.318
130.694 0.870 1.079 1.350 1.771 2.160 2.650 3.012 3.372 3.852 4.221
140.692 0.868 1.076 1.345 1.761 2.145 2.624 2.977 3.326 3.787 4.140
150.691 0.866 1.074 1.341 1.753 2.131 2.602 2.947 3.286 3.733 4.073
160.690 0.865 1.071 1.337 1.746 2.120 2.583 2.921 3.252 3.686 4.015
170.689 0.863 1.069 1.333 1.740 2.110 2.567 2.898 3.222 3.646 3.965
180.688 0.862 1.067 1.330 1.734 2.101 2.552 2.878 3.197 3.610 3.922
190.688 0.861 1.066 1.328 1.729 2.093 2.539 2.861 3.174 3.579 3.883
200.687 0.860 1.064 1.325 1.725 2.086 2.528 2.845 3.153 3.552 3.850
210.686 0.859 1.063 1.323 1.721 2.080 2.518 2.831 3.135 3.527 3.819
220.686 0.858 1.061 1.321 1.717 2.074 2.508 2.819 3.119 3.505 3.792
230.685 0.858 1.060 1.319 1.714 2.069 2.500 2.807 3.104 3.485 3.767
240.685 0.857 1.059 1.318 1.711 2.064 2.492 2.797 3.091 3.467 3.745
250.684 0.856 1.058 1.316 1.708 2.060 2.485 2.787 3.078 3.450 3.725
260.684 0.856 1.058 1.315 1.706 2.056 2.479 2.779 3.067 3.435 3.707
270.684 0.855 1.057 1.314 1.703 2.052 2.473 2.771 3.057 3.421 3.690
280.683 0.855 1.056 1.313 1.701 2.048 2.467 2.763 3.047 3.408 3.674
290.683 0.854 1.055 1.311 1.699 2.045 2.462 2.756 3.038 3.396 3.659
300.683 0.854 1.055 1.310 1.697 2.042 2.457 2.750 3.030 3.385 3.646
400.681 0.851 1.050 1.303 1.684 2.021 2.423 2.704 2.971 3.307 3.551
500.679 0.849 1.047 1.299 1.676 2.009 2.403 2.678 2.937 3.261 3.496
600.679 0.848 1.045 1.296 1.671 2.000 2.390 2.660 2.915 3.232 3.460
800.678 0.846 1.043 1.292 1.664 1.990 2.374 2.639 2.887 3.195 3.416
1000.677 0.845 1.042 1.290 1.660 1.984 2.364 2.626 2.871 3.174 3.390
1200.677 0.845 1.041 1.289 1.658 1.980 2.358 2.617 2.860 3.160 3.373
infty0.674 0.842 1.036 1.282 1.645 1.960 2.326 2.576 2.807
