Critical values of the t distribution for ν degrees of freedom (two tailed, unpaired)
|
ν |
p = 0.05 |
p = 0.01 |
|---|---|---|
|
1 |
12.706 |
63.657 |
|
2 |
4.303 |
9.925 |
|
3 |
3.182 |
5.841 |
|
4 |
2.776 |
4.602 |
|
5 |
2.571 |
4.032 |
|
6 |
2.447 |
3.707 |
|
7 |
2.365 |
3.499 |
|
8 |
2.306 |
3.355 |
|
9 |
2.262 |
3.250 |
|
10 |
2.228 |
3.169 |
|
11 |
2.201 |
3.106 |
|
12 |
2.179 |
3.055 |
|
13 |
2.160 |
3.012 |
|
14 |
2.145 |
2.977 |
|
15 |
2.131 |
2.947 |
|
16 |
2.120 |
2.921 |
|
17 |
2.110 |
2.898 |
|
18 |
2.101 |
2.878 |
|
19 |
2.093 |
2.861 |
|
20 |
2.086 |
2.845 |
|
21 |
2.080 |
2.831 |
|
22 |
2.074 |
2.819 |
|
23 |
2.069 |
2.807 |
|
24 |
2.064 |
2.797 |
|
25 |
2.059 |
2.787 |
|
26 |
2.055 |
2.779 |
|
27 |
2.052 |
2.771 |
|
28 |
2.048 |
2.763 |
|
29 |
2.045 |
2.756 |
|
∞ |
1.960 |
2.576 |