r-Table
Numbers in the left column are degrees of freedom. Numbers in the top row are significance levels (alpha).
df(n-2) | 0.1 | 0.05 | 0.02 | 0.01 |
1 | 0.988 | 0.997 | 1.000 | 1.000 |
2 | 0.900 | 0.950 | 0.980 | 0.990 |
3 | 0.805 | 0.878 | 0.934 | 0.959 |
4 | 0.729 | 0.811 | 0.882 | 0.917 |
5 | 0.669 | 0.754 | 0.833 | 0.874 |
6 | 0.622 | 0.707 | 0.789 | 0.834 |
7 | 0.582 | 0.666 | 0.750 | 0.798 |
8 | 0.549 | 0.632 | 0.716 | 0.765 |
9 | 0.521 | 0.602 | 0.685 | 0.735 |
10 | 0.497 | 0.576 | 0.658 | 0.708 |
11 | 0.476 | 0.553 | 0.634 | 0.684 |
12 | 0.458 | 0.532 | 0.612 | 0.661 |
13 | 0.441 | 0.514 | 0.592 | 0.641 |
14 | 0.426 | 0.497 | 0.574 | 0.628 |
15 | 0.412 | 0.482 | 0.558 | 0.606 |
16 | 0.400 | 0.468 | 0.542 | 0.590 |
17 | 0.389 | 0.456 | 0.528 | 0.575 |
18 | 0.378 | 0.444 | 0.516 | 0.561 |
19 | 0.369 | 0.433 | 0.503 | 0.549 |
20 | 0.360 | 0.423 | 0.492 | 0.537 |
21 | 0.352 | 0.413 | 0.482 | 0.526 |
22 | 0.344 | 0.404 | 0.472 | 0.515 |
23 | 0.337 | 0.396 | 0.462 | 0.505 |
24 | 0.330 | 0.388 | 0.453 | 0.495 |
25 | 0.323 | 0.381 | 0.445 | 0.487 |
26 | 0.317 | 0.374 | 0.437 | 0.479 |
27 | 0.311 | 0.367 | 0.430 | 0.471 |
28 | 0.306 | 0.361 | 0.423 | 0.463 |
29 | 0.301 | 0.355 | 0.416 | 0.456 |
30 | 0.296 | 0.349 | 0.409 | 0.449 |
35 | 0.275 | 0.325 | 0.381 | 0.418 |
40 | 0.257 | 0.304 | 0.358 | 0.393 |
45 | 0.243 | 0.288 | 0.338 | 0.372 |
50 | 0.231 | 0.273 | 0.322 | 0.354 |
60 | 0.211 | 0.250 | 0.295 | 0.325 |
70 | 0.195 | 0.232 | 0.274 | 0.302 |
80 | 0.183 | 0.217 | 0.256 | 0.284 |
90 | 0.173 | 0.205 | 0.242 | 0.267 |
100 | 0.164 | 0.195 | 0.230 | 0.254 |