t值表

 

附表3　t值表

n’ P(2):

P(1): 0.50

0.25 0.20

0.10 0.10

0.05 0.05

0.025 0.02

0.01 0.01

0.005 0.005

0.0025 0.002

0.001 0.001

0.0005

1 　 1.000 3.078 6.314 12.706 31.821 63.657 127.321 318.309 636.619

2 　 0.816 1.886 2.920 4.303 6.965 9.925 14.089 22.327 31.599

3 　 0.765 1.638 2.353 3.182 4.541 5.841 7.453 10.215 12.924

4 　 0.741 1.533 2.132 2.776 3.747 4.604 5.598 7.173 8.610

5 　 0.727 1.476 2.015 2.571 3.365 4.032 4.773 5.893 6.869

6 　 0.718 1.440 1.943 2.447 3.143 3.707 4.317 5.208 5.959

7 　 0.711 1.415 1.895 2.365 2.998 3.499 4.029 4.785 5.408

8 　 0.706 1.397 1.860 2.306 2.896 3.355 3.833 4.501 5.041

9 　 0.703 1.383 1.833 2.262 2.821 3.250 3.690 4.297 4.781

10 　 0.700 1.372 1.812 2.228 2.764 3.169 3.581 4.144 4.587

11 　 0.697 1.363 1.796 2.201 2.718 3.106 3.497 4.025 4.437

12 　 0.695 1.356 1.782 2.179 2.681 3.055 3.428 3.930 4.318

13 　 0.694 1.350 1.771 2.160 2.650 3.012 3.372 3.852 4.221

14 　 0.692 1.345 1.761 2.145 2.624 2.977 3.326 3.787 4.140

15 　 0.691 1.341 1.753 2.131 2.602 2.947 3.286 3.733 4.073

16 　 0.690 1.337 1.746 2.120 2.583 2.921 3.252 3.686 4.015

17 　 0.689 1.333 1.740 2.110 2.567 2.898 3.222 3.646 3.965

18 　 0.688 1.330 1.734 2.101 2.552 2.878 3.197 3.610 3.922

19 　 0.688 1.328 1.729 2.093 2.539 2.861 3.174 3.579 3.883

20 　 0.687 1.325 1.725 2.086 2.528 2.845 3.153 3.552 3.850

21 　 0.686 1.323 1.721 2.080 2.518 2.831 3.135 3.527 3.819

22 　 0.686 1.321 1.717 2.074 2.508 2.819 3.119 3.505 3.792

23 　 0.685 1.319 1.714 2.069 2.500 2.807 3.104 3.485 3.768

24 　 0.685 1.318 1.711 2.064 2.492 2.797 3.091 3.467 3.745

25 　 0.684 1.316 1.708 2.060 2.485 2.787 3.078 3.450 3.725

26 　 0.684 1.315 1.