Student's t distribution
df\p |
0.40 |
0.25 |
0.10 |
0.05 |
0.025 |
0.01 |
0.005 |
0.0005 |
1 |
0.324920 |
1.000000 |
3.077684 |
6.313752 |
12.70620 |
31.82052 |
63.65674 |
636.6192 |
2 |
0.288675 |
0.816497 |
1.885618 |
2.919986 |
4.30265 |
6.96456 |
9.92484 |
31.5991 |
3 |
0.276671 |
0.764892 |
1.637744 |
2.353363 |
3.18245 |
4.54070 |
5.84091 |
12.9240 |
4 |
0.270722 |
0.740697 |
1.533206 |
2.131847 |
2.77645 |
3.74695 |
4.60409 |
8.6103 |
5 |
0.267181 |
0.726687 |
1.475884 |
2.015048 |
2.57058 |
3.36493 |
4.03214 |
6.8688 |
|
6 |
0.264835 |
0.717558 |
1.439756 |
1.943180 |
2.44691 |
3.14267 |
3.70743 |
5.9588 |
7 |
0.263167 |
0.711142 |
1.414924 |
1.894579 |
2.36462 |
2.99795 |
3.49948 |
5.4079 |
8 |
0.261921 |
0.706387 |
1.396815 |
1.859548 |
2.30600 |
2.89646 |
3.35539 |
5.0413 |
9 |
0.260955 |
0.702722 |
1.383029 |
1.833113 |
2.26216 |
2.82144 |
3.24984 |
4.7809 |
10 |
0.260185 |
0.699812 |
1.372184 |
1.812461 |
2.22814 |
2.76377 |
3.16927 |
4.5869 |
|
11 |
0.259556 |
0.697445 |
1.363430 |
1.795885 |
2.20099 |
2.71808 |
3.10581 |
4.4370 |
12 |
0.259033 |
0.695483 |
1.356217 |
1.782288 |
2.17881 |
2.68100 |
3.05454 |
4.3178 |
13 |
0.258591 |
0.693829 |
1.350171 |
1.770933 |
2.16037 |
2.65031 |
3.01228 |
4.2208 |
14 |
0.258213 |
0.692417 |
1.345030 |
1.761310 |
2.14479 |
2.62449 |
2.97684 |
4.1405 |
15 |
0.257885 |
0.691197 |
1.340606 |
1.753050 |
2.13145 |
2.60248 |
2.94671 |
4.0728 |
|
16 |
0.257599 |
0.690132 |
1.336757 |
1.745884 |
2.11991 |
2.58349 |
2.92078 |
4.0150 |
17 |
0.257347 |
0.689195 |
1.333379 |
1.739607 |
2.10982 |
2.56693 |
2.89823 |
3.9651 |
18 |
0.257123 |
0.688364 |
1.330391 |
1.734064 |
2.10092 |
2.55238 |
2.87844 |
3.9216 |
19 |
0.256923 |
0.687621 |
1.327728 |
1.729133 |
2.09302 |
2.53948 |
2.86093 |
3.8834 |
20 |
0.256743 |
0.686954 |
1.325341 |
1.724718 |
2.08596 |
2.52798 |
2.84534 |
3.8495 |
|
21 |
0.256580 |
0.686352 |
1.323188 |
1.720743 |
2.07961 |
2.51765 |
2.83136 |
3.8193 |
22 |
0.256432 |
0.685805 |
1.321237 |
1.717144 |
2.07387 |
2.50832 |
2.81876 |
3.7921 |
23 |
0.256297 |
0.685306 |
1.319460 |
1.713872 |
2.06866 |
2.49987 |
2.80734 |
3.7676 |
24 |
0.256173 |
0.684850 |
1.317836 |
1.710882 |
2.06390 |
2.49216 |
2.79694 |
3.7454 |
25 |
0.256060 |
0.684430 |
1.316345 |
1.708141 |
2.05954 |
2.48511 |
2.78744 |
3.7251 |
|
26 |
0.255955 |
0.684043 |
1.314972 |
1.705618 |
2.05553 |
2.47863 |
2.77871 |
3.7066 |
27 |
0.255858 |
0.683685 |
1.313703 |
1.703288 |
2.05183 |
2.47266 |
2.77068 |
3.6896 |
28 |
0.255768 |
0.683353 |
1.312527 |
1.701131 |
2.04841 |
2.46714 |
2.76326 |
3.6739 |
29 |
0.255684 |
0.683044 |
1.311434 |
1.699127 |
2.04523 |
2.46202 |
2.75639 |
3.6594 |
30 |
0.255605 |
0.682756 |
1.310415 |
1.697261 |
2.04227 |
2.45726 |
2.75000 |
3.6460 |
|
inf |
0.253347 |
0.674490 |
1.281552 |
1.644854 |
1.95996 |
2.32635 |
2.57583 |
3.2905 |