| Degrees of freedom |
t.100 | t.050 | t.025 | t.010 | t.005 |
|---|---|---|---|---|---|
| 1 | 3.0777 | 6.3138 | 12.7062 | 31.8207 | 63.6574 |
| 2 | 1.8856 | 2.9200 | 4.3027 | 6.9646 | 9.9248 |
| 3 | 1.6377 | 2.3534 | 3.1824 | 4.5407 | 5.8409 |
| 4 | 1.5332 | 2.1318 | 2.7764 | 3.7469 | 4.6041 |
| 5 | 1.4759 | 2.0150 | 2.5706 | 3.3649 | 4.0322 |
| 6 | 1.4398 | 1.9432 | 2.4469 | 3.1427 | 3.7074 |
| 7 | 1.4149 | 1.8946 | 2.3646 | 2.9980 | 3.4995 |
| 8 | 1.3968 | 1.8595 | 2.3060 | 2.8965 | 3.3554 |
| 9 | 1.3830 | 1.8331 | 2.2622 | 2.8214 | 3.2498 |
| 10 | 1.3722 | 1.8125 | 2.2281 | 2.7638 | 3.1693 |
| 11 | 1.3634 | 1.7959 | 2.2010 | 2.7181 | 3.1058 |
| 12 | 1.3562 | 1.7823 | 2.1788 | 2.6810 | 3.0545 |
| 13 | 1.3502 | 1.7709 | 2.1604 | 2.6503 | 3.0123 |
| 14 | 1.3450 | 1.7613 | 2.1448 | 2.6245 | 2.9768 |
| 15 | 1.3406 | 1.7531 | 2.1315 | 2.6025 | 2.9467 |
| 16 | 1.3368 | 1.7459 | 2.1199 | 2.5835 | 2.9208 |
| 17 | 1.3334 | 1.7396 | 2.1098 | 2.5669 | 2.8982 |
| 18 | 1.3304 | 1.7341 | 2.1009 | 2.5524 | 2.8784 |
| 19 | 1.3277 | 1.7291 | 2.0930 | 2.5395 | 2.8609 |
| 20 | 1.3253 | 1.7247 | 2.0860 | 2.5280 | 2.8453 |
| 21 | 1.3232 | 1.7207 | 2.0796 | 2.5177 | 2.8314 |
| 22 | 1.3212 | 1.7171 | 2.0739 | 2.5083 | 2.8188 |
| 23 | 1.3195 | 1.7139 | 2.0687 | 2.4999 | 2.8073 |
| 24 | 1.3178 | 1.7109 | 2.0639 | 2.4922 | 2.7969 |
| 25 | 1.3163 | 1.7081 | 2.0595 | 2.4851 | 2.7874 |
| 26 | 1.3150 | 1.7056 | 2.0555 | 2.4786 | 2.7787 |
| 27 | 1.3137 | 1.7033 | 2.0518 | 2.4727 | 2.7707 |
| 28 | 1.3125 | 1.7011 | 2.0484 | 2.4671 | 2.7633 |
| 29 | 1.3114 | 1.6991 | 2.0452 | 2.4620 | 2.7564 |
| 30 | 1.3104 | 1.6973 | 2.0423 | 2.4573 | 2.7500 |
| 31 | 1.3095 | 1.6955 | 2.0395 | 2.4528 | 2.7740 |
| 32 | 1.3086 | 1.6939 | 2.0369 | 2.4487 | 2.7385 |
| 33 | 1.3077 | 1.6924 | 2.0345 | 2.4448 | 2.7333 |
| 34 | 1.3070 | 1.6909 | 2.0322 | 2.4411 | 2.7284 |
| 35 | 1.3062 | 1.6896 | 2.0301 | 2.4377 | 2.7238 |
| 36 | 1.3055 | 1.6883 | 2.0281 | 2.4345 | 2.7195 |
| 37 | 1.3049 | 1.6871 | 2.0262 | 2.4314 | 2.7154 |
| 38 | 1.3042 | 1.6860 | 2.0244 | 2.4286 | 2.7116 |
| 39 | 1.3036 | 1.6849 | 2.0227 | 2.4258 | 2.7079 |
| 40 | 1.3031 | 1.6839 | 2.0211 | 2.4233 | 2.7045 |
| 41 | 1.3025 | 1.6829 | 2.0195 | 2.4208 | 2.7012 |
| 42 | 1.3020 | 1.6820 | 2.0181 | 2.4185 | 2.6981 |
| 43 | 1.3016 | 1.6811 | 2.0167 | 2.4163 | 2.6951 |
| 44 | 1.3011 | 1.6802 | 2.0154 | 2.4141 | 2.6923 |
| 45 | 1.3006 | 1.6794 | 2.0141 | 2.4121 | 2.6896 |
| 46 | 1.3022 | 1.6787 | 2.0129 | 2.4102 | 2.6870 |
| 47 | 1.2998 | 1.6779 | 2.0117 | 2.4083 | 2.6846 |
| 48 | 1.2994 | 1.6772 | 2.0106 | 2.4066 | 2.6822 |
| 49 | 1.2991 | 1.6766 | 2.0096 | 2.4049 | 2.6800 |
| 50 | 1.2987 | 1.6759 | 2.0086 | 2.4033 | 2.6778 |
| 51 | 1.2984 | 1.6753 | 2.0076 | 2.4017 | 2.6757 |
| 52 | 1.2980 | 1.6747 | 2.0066 | 2.4002 | 2.6737 |
| 53 | 1.2977 | 1.6741 | 2.0057 | 2.3988 | 2.6718 |
| 54 | 1.2974 | 1.6736 | 2.0049 | 2.3974 | 2.6700 |
| 55 | 1.2971 | 1.6730 | 2.0040 | 2.3961 | 2.6682 |
| 56 | 1.2969 | 1.6725 | 2.0032 | 2.3948 | 2.6665 |
| 57 | 1.2966 | 1.6720 | 2.0025 | 2.3936 | 2.6649 |
| 58 | 1.2963 | 1.6716 | 2.0017 | 2.3924 | 2.6633 |
| 59 | 1.2961 | 1.6711 | 2.0010 | 2.3912 | 2.6618 |
| 60 | 1.2958 | 1.6706 | 2.0003 | 2.3901 | 2.6603 |
| 61 | 1.2956 | 1.6702 | 1.9996 | 2.3890 | 2.6589 |
| 62 | 1.2954 | 1.6698 | 1.9990 | 2.3880 | 2.6575 |
| 63 | 1.2951 | 1.6694 | 1.9983 | 2.3870 | 2.6561 |
| 64 | 1.2949 | 1.6690 | 1.9977 | 2.3860 | 2.6549 |
| 65 | 1.2947 | 1.6686 | 1.9971 | 2.3851 | 2.6536 |
| 66 | 1.2945 | 1.6683 | 1.9966 | 2.3842 | 2.6524 |
| 67 | 1.2943 | 1.6679 | 1.9960 | 2.3833 | 2.6512 |
| 68 | 1.2941 | 1.6676 | 1.9955 | 2.3824 | 2.6501 |
| 69 | 1.2939 | 1.6672 | 1.9949 | 2.3816 | 2.6490 |
| 70 | 1.2938 | 1.6669 | 1.9944 | 2.3808 | 2.6479 |
| 71 | 1.2936 | 1.6666 | 1.9939 | 2.3800 | 2.6469 |
| 72 | 1.2934 | 1.6663 | 1.9935 | 2.3793 | 2.6459 |
| 73 | 1.2933 | 1.6660 | 1.9930 | 2.3785 | 2.6449 |
| 74 | 1.2931 | 1.6657 | 1.9925 | 2.3778 | 2.6439 |
| 75 | 1.2929 | 1.6654 | 1.9921 | 2.3771 | 2.6430 |
| 76 | 1.2928 | 1.6652 | 1.9917 | 2.3764 | 2.6421 |
| 77 | 1.2926 | 1.6649 | 1.9913 | 2.3758 | 2.6412 |
| 78 | 1.2925 | 1.6646 | 1.9908 | 2.3751 | 2.6403 |
| 79 | 1.2924 | 1.6644 | 1.9905 | 2.3745 | 2.6395 |
| 80 | 1.2922 | 1.6641 | 1.9901 | 2.3739 | 2.6387 |
| 81 | 1.2921 | 1.6639 | 1.9897 | 2.3733 | 2.6379 |
| 82 | 1.2920 | 1.6636 | 1.9893 | 2.3727 | 2.6371 |
| 83 | 1.2918 | 1.6634 | 1.9890 | 2.3721 | 2.6364 |
| 84 | 1.2917 | 1.6632 | 1.9886 | 2.3716 | 2.6356 |
| 85 | 1.2916 | 1.6630 | 1.9883 | 2.3710 | 2.6349 |
| 86 | 1.2915 | 1.6628 | 1.9879 | 2.3705 | 2.6342 |
| 87 | 1.2914 | 1.6626 | 1.9876 | 2.3700 | 2.6335 |
| 88 | 1.2912 | 1.6624 | 1.9873 | 2.3695 | 2.6329 |
| 89 | 1.2911 | 1.6622 | 1.9870 | 2.3690 | 2.6322 |
| 90 | 1.2910 | 1.6620 | 1.9867 | 2.3685 | 2.6316 |
| 91 | 1.2909 | 1.6618 | 1.9864 | 2.3680 | 2.6309 |
| 92 | 1.2908 | 1.6616 | 1.9861 | 2.3676 | 2.6303 |
| 93 | 1.2907 | 1.6614 | 1.9858 | 2.3671 | 2.6297 |
| 94 | 1.2906 | 1.6612 | 1.9855 | 2.3667 | 2.6291 |
| 95 | 1.2905 | 1.6611 | 1.9853 | 2.3662 | 2.6286 |
| 96 | 1.2904 | 1.6609 | 1.9850 | 2.3658 | 2.6280 |
| 97 | 1.2903 | 1.6607 | 1.9847 | 2.3654 | 2.6275 |
| 98 | 1.2902 | 1.6606 | 1.9845 | 2.3650 | 2.6269 |
| 99 | 1.2902 | 1.6604 | 1.9842 | 2.3646 | 2.6264 |
| 100 | 1.2901 | 1.6602 | 1.9840 | 2.3642 | 2.6259 |