DF t0.995 t0.99 t0.975 t0.95 t0.90 t0.80 t0.75 t0.70 t0.60
1 63.657 31.821 12.706 6.314 3.078 1.376 1.000 0.727 0.325
2 9.925 6.965 4.303 2.920 1.886 1.061 0.817 0.617 0.289
3 5.841 4.541 3.182 2.353 1.638 0.978 0.765 0.584 0.277
4 4.604 3.747 2.776 2.132 1.533 0.941 0.741 0.569 0.271
5 4.032 3.365 2.571 2.015 1.476 0.920 0.727 0.559 0.267
6 3.707 3.143 2.447 1.943 1.440 0.906 0.718 0.553 0.265
7 3.499 2.998 2.365 1.895 1.415 0.896 0.711 0.549 0.263
8 3.355 2.896 2.306 1.860 1.397 0.889 0.706 0.546 0.262
9 3.250 2.821 2.262 1.833 1.383 0.883 0.703 0.543 0.261
10 3.169 2.764 2.228 1.812 1.372 0.879 0.700 0.542 0.260
11 3.106 2.718 2.201 1.796 1.363 0.876 0.697 0.540 0.260
12 3.055 2.681 2.179 1.782 1.356 0.873 0.695 0.539 0.259
13 3.012 2.650 2.160 1.771 1.350 0.870 0.694 0.538 0.259
14 2.977 2.624 2.145 1.761 1.345 0.868 0.692 0.537 0.258
15 2.947 2.602 2.131 1.753 1.341 0.866 0.691 0.536 0.258
16 2.921 2.583 2.120 1.746 1.337 0.865 0.690 0.535 0.258
17 2.898 2.567 2.110 1.740 1.333 0.863 0.689 0.534 0.257
18 2.878 2.552 2.101 1.734 1.330 0.862 0.688 0.534 0.257
19 2.861 2.539 2.093 1.729 1.328 0.861 0.688 0.533 0.257
20 2.845 2.528 2.086 1.725 1.325 0.860 0.687 0.533 0.257
21 2.831 2.518 2.080 1.721 1.323 0.859 0.686 0.532 0.257
22 2.819 2.508 2.074 1.717 1.321 0.858 0.686 0.532 0.256
23 2.807 2.500 2.069 1.714 1.319 0.858 0.685 0.532 0.256
24 2.797 2.492 2.064 1.711 1.318 0.857 0.685 0.531 0.256
25 2.787 2.485 2.060 1.708 1.316 0.856 0.684 0.531 0.256
26 2.779 2.479 2.056 1.706 1.315 0.856 0.684 0.531 0.256
27 2.771 2.473 2.052 1.703 1.314 0.855 0.684 0.531 0.256
28 2.763 2.467 2.048 1.701 1.313 0.855 0.683 0.530 0.256
29 2.756 2.462 2.045 1.699 1.311 0.854 0.683 0.530 0.256
30 2.750 2.457 2.042 1.697 1.310 0.854 0.683 0.530 0.256
35 2.724 2.438 2.030 1.690 1.306 0.852 0.682 0.529 0.255
40 2.704 2.423 2.021 1.684 1.303 0.851 0.681 0.529 0.255
50 2.678 2.403 2.009 1.676 1.299 0.849 0.679 0.528 0.255
60 2.660 2.390 2.000 1.671 1.296 0.848 0.679 0.527 0.254
120 2.617 2.358 1.980 1.658 1.289 0.845 0.677 0.526 0.254
infty 2.576 2.326 1.960 1.645 1.282 0.842 0.674 0.524 0.253