T distribution tables

Cutoff Scores for the T-distribution

T-Distribution Table (One Tail)
df .10 .05 .01
1 3.078 6.314 31.821
2 1.886 2.920 6.965
3 1.638 2.353 4.541
4 1.533 2.132 3.747
5 1.476 2.015 3.365
6 1.440 1.943 3.143
7 1.415 1.895 2.998
8 1.397 1.860 2.896
9 1.383 1.833 2.821
10 1.372 1.812 2.764
11 1.363 1.796 2.718
12 1.356 1.782 2.681
13 1.350 1.771 2.650
14 1.345 1.761 2.624
15 1.341 1.753 2.602
16 1.337 1.746 2.583
17 1.333 1.740 2.567
18 1.330 1.734 2.552
19 1.328 1.729 2.539
20 1.325 1.725 2.528
21 1.323 1.721 2.518
22 1.321 1.717 2.508
23 1.319 1.714 2.500
24 1.318 1.711 2.492
25 1.316 1.708 2.485
26 1.315 1.706 2.479
27 1.314 1.703 2.473
28 1.313 1.701 2.467
29 1.311 1.699 2.462
30 1.310 1.697 2.457
60 1.296 1.671 2.390
120 1.289 1.658 2.358
1000 1.282 1.646 2.330
∞ 1.282 1.645 2.326
T-Distribution Table (Two Tail)
df .10 .05 .01
1 6.314 12.706 63.656
2 2.920 4.303 9.925
3 2.353 3.182 5.841
4 2.132 2.776 4.604
5 2.015 2.571 4.032
6 1.943 2.447 3.707
7 1.895 2.365 3.499
8 1.860 2.306 3.355
9 1.833 2.262 3.250
10 1.812 2.228 3.169
11 1.796 2.201 3.106
12 1.782 2.179 3.055
13 1.771 2.160 3.012
14 1.761 2.145 2.977
15 1.753 2.131 2.947
16 1.746 2.120 2.921
17 1.740 2.110 2.898
18 1.734 2.101 2.878
19 1.729 2.093 2.861
20 1.725 2.086 2.845
21 1.721 2.080 2.831
22 1.717 2.074 2.819
23 1.714 2.069 2.807
24 1.711 2.064 2.797
25 1.708 2.060 2.787
26 1.706 2.056 2.779
27 1.703 2.052 2.771
28 1.701 2.048 2.763
29 1.699 2.045 2.756
30 1.697 2.042 2.750
60 1.671 2.000 2.660
120 1.658 1.980 2.617
1000 1.645 1.960 2.576
∞ 1.645 1.960 2.576

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Beginner Statistics for Psychology Copyright © 2021 by Nicole Vittoz is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License, except where otherwise noted.