Table of critical values for a 2-tailed t-test at 95% confidence level, generated from
Excel using the TINV function.
| ν = n - 1 | tcrit |
|---|---|
| 1 | 12.706 |
| 2 | 4.303 |
| 3 | 3.182 |
| 4 | 2.776 |
| 5 | 2.571 |
| 6 | 2.447 |
| 7 | 2.365 |
| 8 | 2.306 |
| 9 | 2.262 |
| 10 | 2.228 |
| 12 | 2.179 |
| 14 | 2.145 |
| 15 | 2.131 |
| 16 | 2.120 |
| 18 | 2.101 |
| 20 | 2.086 |
| 25 | 2.060 |
| 30 | 2.042 |