Quantiles of the Student’s t-Distribution

Table continues below
Si 0.75 0.9 0.95 0.975 0.99
df / \(\alpha\) 0.25 0.1 0.05 0.025 0.01
1 1 3.08 6.31 12.71 31.82
2 0.82 1.89 2.92 4.3 6.96
3 0.76 1.64 2.35 3.18 4.54
4 0.74 1.53 2.13 2.78 3.75
5 0.73 1.48 2.02 2.57 3.36
6 0.72 1.44 1.94 2.45 3.14
7 0.71 1.41 1.89 2.36 3
8 0.71 1.4 1.86 2.31 2.9
9 0.7 1.38 1.83 2.26 2.82
10 0.7 1.37 1.81 2.23 2.76
11 0.7 1.36 1.8 2.2 2.72
12 0.7 1.36 1.78 2.18 2.68
13 0.69 1.35 1.77 2.16 2.65
14 0.69 1.35 1.76 2.14 2.62
15 0.69 1.34 1.75 2.13 2.6
16 0.69 1.34 1.75 2.12 2.58
17 0.69 1.33 1.74 2.11 2.57
18 0.69 1.33 1.73 2.1 2.55
19 0.69 1.33 1.73 2.09 2.54
20 0.69 1.33 1.72 2.09 2.53
21 0.69 1.32 1.72 2.08 2.52
22 0.69 1.32 1.72 2.07 2.51
23 0.69 1.32 1.71 2.07 2.5
24 0.68 1.32 1.71 2.06 2.49
25 0.68 1.32 1.71 2.06 2.49
26 0.68 1.31 1.71 2.06 2.48
27 0.68 1.31 1.7 2.05 2.47
28 0.68 1.31 1.7 2.05 2.47
29 0.68 1.31 1.7 2.05 2.46
30 0.68 1.31 1.7 2.04 2.46
35 0.68 1.31 1.69 2.03 2.44
40 0.68 1.3 1.68 2.02 2.42
45 0.68 1.3 1.68 2.01 2.41
50 0.68 1.3 1.68 2.01 2.4
60 0.68 1.3 1.67 2 2.39
70 0.68 1.29 1.67 1.99 2.38
80 0.68 1.29 1.66 1.99 2.37
90 0.68 1.29 1.66 1.99 2.37
100 0.68 1.29 1.66 1.98 2.36
150 0.68 1.29 1.66 1.98 2.35
200 0.68 1.29 1.65 1.97 2.35
300 0.68 1.28 1.65 1.97 2.34
500 0.67 1.28 1.65 1.96 2.33
1000 0.67 1.28 1.65 1.96 2.33
1e+09 0.67 1.28 1.64 1.96 2.33
0.995 0.999 0.9995
0.005 0.001 5e-04
63.66 318.3 636.6
9.92 22.33 31.6
5.84 10.21 12.92
4.6 7.17 8.61
4.03 5.89 6.87
3.71 5.21 5.96
3.5 4.79 5.41
3.36 4.5 5.04
3.25 4.3 4.78
3.17 4.14 4.59
3.11 4.02 4.44
3.05 3.93 4.32
3.01 3.85 4.22
2.98 3.79 4.14
2.95 3.73 4.07
2.92 3.69 4.01
2.9 3.65 3.97
2.88 3.61 3.92
2.86 3.58 3.88
2.85 3.55 3.85
2.83 3.53 3.82
2.82 3.5 3.79
2.81 3.48 3.77
2.8 3.47 3.75
2.79 3.45 3.73
2.78 3.43 3.71
2.77 3.42 3.69
2.76 3.41 3.67
2.76 3.4 3.66
2.75 3.39 3.65
2.72 3.34 3.59
2.7 3.31 3.55
2.69 3.28 3.52
2.68 3.26 3.5
2.66 3.23 3.46
2.65 3.21 3.44
2.64 3.2 3.42
2.63 3.18 3.4
2.63 3.17 3.39
2.61 3.15 3.36
2.6 3.13 3.34
2.59 3.12 3.32
2.59 3.11 3.31
2.58 3.1 3.3
2.58 3.09 3.29

Citation

The E-Learning project SOGA-R was developed at the Department of Earth Sciences by Kai Hartmann, Joachim Krois and Annette Rudolph. You can reach us via mail by soga[at]zedat.fu-berlin.de.

Creative Commons License
You may use this project freely under the Creative Commons Attribution-ShareAlike 4.0 International License.

Please cite as follow: Hartmann, K., Krois, J., Rudolph, A. (2023): Statistics and Geodata Analysis using R (SOGA-R). Department of Earth Sciences, Freie Universitaet Berlin.