统计学中的T值表
ν P（双侧）0.05 0.01 0.001 ν 0.05 0.01 0.001
P（单侧）0.025 0.005 0.0005 0.025 0.005 0.0005
1 12.706 63.657 636.618 21 2.080 2.831 3.819
2 4.303 9.925 31.598 22 2.072 2.819 3.792
3 3.182 5.841 12.924 23 2.069 2.807 3.767
4 2.776 4.604 8.610 24 2.064 2.797 3.745
5 2.571 4.032 6.859 25 2.060 2.787 3.725
6 2.447 3.707 5.959 26 2.056 2.779 3.707
7 2.365 3.499 5.405 27 2.052 2.771 3.690
8 2.306 3.355 5.041 28 2.048 2.763 3.674
9 2.262 3.250 4.781 29 2.045 2.756 3.659
10 2.228 3.169 4.587 30 2.042 2.750 3.646
11 2.201 3.106 4.437 40 2.021 2.704 3.551
12 2.179 3.055 4.318 50 2.008 2.678 3.496
13 2.160 3.012 4.221 60 2.000 2.660 3.460
14 2.145 2.977 4.140 70 1.994 2.648 3.435
15 2.131 2.947 4.073 80 1.989 2.638 3.416
16 2.120 2.921 4.015 90 1.986 2.631 3.402
17 2.110 2.898 3.965 100 1.982 2.625 3.390
18 2.101 2.878 3.922 120 1.980 2.617 3.373
19 2.093 2.861 3.883 500 1.965 2.586 3.305
20 2.086 2.845 3.850 ∞ 1.960 2.576 3.291
