付表3 t分布表
| 自由度／α |
0.10 |
0.05 |
0.02 |
0.01 |
| 1 |
6.314 |
12.706 |
31.821 |
63.657 |
| 2 |
2.920 |
4.303 |
6.965 |
9.925 |
| 3 |
2.353 |
3.182 |
4.541 |
5.841 |
| 4 |
2.132 |
2.776 |
3.747 |
4.604 |
| 5 |
2.015 |
2.571 |
3.365 |
4.032 |
| 6 |
1.943 |
2.447 |
3.143 |
3.707 |
| 7 |
1.895 |
2.365 |
2.998 |
3.499 |
| 8 |
1.860 |
2.306 |
2.896 |
3.355 |
| 9 |
1.833 |
2.262 |
2.821 |
3.250 |
| 10 |
1.812 |
2.228 |
2.764 |
3.169 |
| 11 |
1.796 |
2.201 |
2.718 |
3.106 |
| 12 |
1.782 |
2.179 |
2.681 |
3.055 |
| 13 |
1.771 |
2.160 |
2.650 |
3.012 |
| 14 |
1.761 |
2.145 |
2.624 |
2977 |
| 15 |
1.753 |
2.131 |
2.602 |
2.947 |
| 16 |
1.746 |
2.120 |
2.583 |
2.921 |
| 17 |
1.740 |
2.110 |
2.567 |
2.898 |
| 18 |
1.734 |
2.101 |
2.552 |
2.878 |
| 19 |
1.729 |
2.093 |
2.539 |
2.861 |
| 20 |
1.725 |
2.086 |
2.528 |
2.845 |
| 21 |
1.721 |
2.080 |
2.518 |
2.831 |
| 22 |
1.717 |
2.074 |
2.508 |
2.819 |
| 23 |
1.714 |
2.069 |
2.500 |
2.807 |
| 24 |
1.711 |
2.064 |
2.492 |
2.797 |
| 25 |
1.708 |
2.060 |
2.485 |
2.787 |
| 26 |
1.706 |
2.056 |
2.479 |
2.779 |
| 27 |
1.703 |
2.052 |
2.473 |
2.771 |
| 28 |
1.701 |
2.048 |
2.467 |
2.763 |
| 29 |
1.699 |
2.045 |
2.462 |
2756 |
| 30 |
1.697 |
2.042 |
2.457 |
2.750 |
| 40 |
1.684 |
2.021 |
2.423 |
2.704 |
| 60 |
1.671 |
2.000 |
2.390 |
2.660 |
| 120 |
1.658 |
1.980 |
2.358 |
2.617 |
| ∞ |
1.645 |
1.960 |
2.326 |
2.576 |
t(10.0.05)=2.228.t(13.0.01)=3.012
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