| Upper tail | 0.25 | 0.2 | 0.15 | 0.125 | 0.1 | 0.075 | 0.05 | 0.025 | 0.005 | 0.0025 | 5e-04 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Two tail | 0.5 | 0.4 | 0.3 | 0.25 | 0.2 | 0.15 | 0.1 | 0.05 | 0.01 | 0.005 | 0.001 |
| \(DF\) | |||||||||||
| 1 | 1 | 1.376 | 1.963 | 2.414 | 3.078 | 4.165 | 6.314 | 12.706 | 63.657 | 127.321 | 636.619 |
| 2 | 0.816 | 1.061 | 1.386 | 1.604 | 1.886 | 2.282 | 2.92 | 4.303 | 9.925 | 14.089 | 31.599 |
| 3 | 0.765 | 0.978 | 1.25 | 1.423 | 1.638 | 1.924 | 2.353 | 3.182 | 5.841 | 7.453 | 12.924 |
| 4 | 0.741 | 0.941 | 1.19 | 1.344 | 1.533 | 1.778 | 2.132 | 2.776 | 4.604 | 5.598 | 8.61 |
| 5 | 0.727 | 0.92 | 1.156 | 1.301 | 1.476 | 1.699 | 2.015 | 2.571 | 4.032 | 4.773 | 6.869 |
| 6 | 0.718 | 0.906 | 1.134 | 1.273 | 1.44 | 1.65 | 1.943 | 2.447 | 3.707 | 4.317 | 5.959 |
| 7 | 0.711 | 0.896 | 1.119 | 1.254 | 1.415 | 1.617 | 1.895 | 2.365 | 3.499 | 4.029 | 5.408 |
| 8 | 0.706 | 0.889 | 1.108 | 1.24 | 1.397 | 1.592 | 1.86 | 2.306 | 3.355 | 3.833 | 5.041 |
| 9 | 0.703 | 0.883 | 1.1 | 1.23 | 1.383 | 1.574 | 1.833 | 2.262 | 3.25 | 3.69 | 4.781 |
| 10 | 0.7 | 0.879 | 1.093 | 1.221 | 1.372 | 1.559 | 1.812 | 2.228 | 3.169 | 3.581 | 4.587 |
| 11 | 0.697 | 0.876 | 1.088 | 1.214 | 1.363 | 1.548 | 1.796 | 2.201 | 3.106 | 3.497 | 4.437 |
| 12 | 0.695 | 0.873 | 1.083 | 1.209 | 1.356 | 1.538 | 1.782 | 2.179 | 3.055 | 3.428 | 4.318 |
| 13 | 0.694 | 0.87 | 1.079 | 1.204 | 1.35 | 1.53 | 1.771 | 2.16 | 3.012 | 3.372 | 4.221 |
| 14 | 0.692 | 0.868 | 1.076 | 1.2 | 1.345 | 1.523 | 1.761 | 2.145 | 2.977 | 3.326 | 4.14 |
| 15 | 0.691 | 0.866 | 1.074 | 1.197 | 1.341 | 1.517 | 1.753 | 2.131 | 2.947 | 3.286 | 4.073 |
| 16 | 0.69 | 0.865 | 1.071 | 1.194 | 1.337 | 1.512 | 1.746 | 2.12 | 2.921 | 3.252 | 4.015 |
| 17 | 0.689 | 0.863 | 1.069 | 1.191 | 1.333 | 1.508 | 1.74 | 2.11 | 2.898 | 3.222 | 3.965 |
| 18 | 0.688 | 0.862 | 1.067 | 1.189 | 1.33 | 1.504 | 1.734 | 2.101 | 2.878 | 3.197 | 3.922 |
| 19 | 0.688 | 0.861 | 1.066 | 1.187 | 1.328 | 1.5 | 1.729 | 2.093 | 2.861 | 3.174 | 3.883 |
| 20 | 0.687 | 0.86 | 1.064 | 1.185 | 1.325 | 1.497 | 1.725 | 2.086 | 2.845 | 3.153 | 3.85 |
| 21 | 0.686 | 0.859 | 1.063 | 1.183 | 1.323 | 1.494 | 1.721 | 2.08 | 2.831 | 3.135 | 3.819 |
| 22 | 0.686 | 0.858 | 1.061 | 1.182 | 1.321 | 1.492 | 1.717 | 2.074 | 2.819 | 3.119 | 3.792 |
| 23 | 0.685 | 0.858 | 1.06 | 1.18 | 1.319 | 1.489 | 1.714 | 2.069 | 2.807 | 3.104 | 3.768 |
| 24 | 0.685 | 0.857 | 1.059 | 1.179 | 1.318 | 1.487 | 1.711 | 2.064 | 2.797 | 3.091 | 3.745 |
| 25 | 0.684 | 0.856 | 1.058 | 1.178 | 1.316 | 1.485 | 1.708 | 2.06 | 2.787 | 3.078 | 3.725 |
| 26 | 0.684 | 0.856 | 1.058 | 1.177 | 1.315 | 1.483 | 1.706 | 2.056 | 2.779 | 3.067 | 3.707 |
| 27 | 0.684 | 0.855 | 1.057 | 1.176 | 1.314 | 1.482 | 1.703 | 2.052 | 2.771 | 3.057 | 3.69 |
| 28 | 0.683 | 0.855 | 1.056 | 1.175 | 1.313 | 1.48 | 1.701 | 2.048 | 2.763 | 3.047 | 3.674 |
| 29 | 0.683 | 0.854 | 1.055 | 1.174 | 1.311 | 1.479 | 1.699 | 2.045 | 2.756 | 3.038 | 3.659 |
| 30 | 0.683 | 0.854 | 1.055 | 1.173 | 1.31 | 1.477 | 1.697 | 2.042 | 2.75 | 3.03 | 3.646 |
| 40 | 0.681 | 0.851 | 1.05 | 1.167 | 1.303 | 1.468 | 1.684 | 2.021 | 2.704 | 2.971 | 3.551 |
| 50 | 0.679 | 0.849 | 1.047 | 1.164 | 1.299 | 1.462 | 1.676 | 2.009 | 2.678 | 2.937 | 3.496 |
| 100 | 0.677 | 0.845 | 1.042 | 1.157 | 1.29 | 1.451 | 1.66 | 1.984 | 2.626 | 2.871 | 3.39 |
| Z-score | 0.674 | 0.842 | 1.036 | 1.15 | 1.282 | 1.44 | 1.645 | 1.96 | 2.576 | 2.807 | 3.291 |
| Confidence Level: | \(50\%\) | \(60\%\) | \(70\%\) | \(75\%\) | \(80\%\) | \(85\%\) | \(90\%\) | \(95\%\) | \(99\%\) | \(99.5\%\) | \(99.9\%\) |