Critical Values of the Studentized Range for dferror 21 - 30

Error
df
Alpha
 k = number of means or number of steps between ordered means
Alpha
Error
df
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
 0.100 2.435 3.069 3.451 3.724 3.936 4.109 4.255 4.381 4.491 4.590 4.679 4.760 4.833 4.902 4.965 5.024 5.080 5.132 5.181 0.100
21
0.050 2.943 3.566 3.943 4.214 4.425 4.599 4.745 4.871 4.982 5.081 5.171 5.253 5.328 5.397 5.461 5.521 5.577 5.630 5.680 0.050
0.010 4.014 4.619 4.992 5.264 5.476 5.651 5.800 5.929 6.043 6.146 6.239 6.323 6.399 6.471 6.538 6.602 6.661 6.716 6.768 0.010
22
 0.100 2.429 3.061 3.441 3.713 3.924 4.095 4.240 4.365 4.475 4.572 4.661 4.741 4.814 4.882 4.945 5.003 5.058 5.110 5.158 0.100
22
0.050 2.935 3.554 3.928 4.197 4.407 4.578 4.723 4.848 4.958 5.056 5.145 5.226 5.300 5.369 5.432 5.492 5.548 5.600 5.649 0.050
0.010 3.995 4.594 4.963 5.231 5.440 5.613 5.759 5.887 5.999 6.101 6.192 6.275 6.350 6.421 6.487 6.550 6.608 6.662 6.714 0.010
23
 0.100 2.425 3.054 3.432 3.702 3.912 4.082 4.226 4.350 4.459 4.556 4.644 4.724 4.797 4.864 4.926 4.984 5.039 5.090 5.138 0.100
23
0.050 2.927 3.543 3.915 4.182 4.389 4.559 4.703 4.827 4.936 5.033 5.121 5.201 5.275 5.343 5.406 5.465 5.520 5.572 5.620 0.050
0.010 3.979 4.572 4.936 5.202 5.408 5.579 5.723 5.848 5.959 6.060 6.150 6.231 6.305 6.375 6.440 6.502 6.559 6.613 6.664 0.010
24
 0.100 2.420 3.048 3.424 3.692 3.901 4.070 4.213 4.337 4.445 4.542 4.629 4.708 4.780 4.847 4.909 4.967 5.021 5.072 5.120 0.100
24
0.050 2.920 3.533 3.902 4.167 4.374 4.542 4.685 4.808 4.916 5.013 5.100 5.179 5.252 5.319 5.382 5.440 5.495 5.546 5.594 0.050
0.010 3.964 4.552 4.912 5.175 5.379 5.547 5.690 5.814 5.923 6.022 6.111 6.191 6.265 6.334 6.398 6.459 6.515 6.568 6.618 0.010
25
 0.100 2.417 3.042 3.416 3.684 3.891 4.059 4.202 4.324 4.432 4.528 4.615 4.693 4.765 4.832 4.893 4.951 5.004 5.055 5.103 0.100
25
0.050 2.914 3.524 3.891 4.154 4.359 4.527 4.668 4.791 4.898 4.993 5.080 5.159 5.231 5.298 5.360 5.418 5.472 5.523 5.571 0.050
0.010 3.951 4.533 4.890 5.151 5.352 5.519 5.660 5.782 5.890 5.988 6.076 6.155 6.228 6.296 6.359 6.419 6.475 6.527 6.577 0.010
26
 0.100 2.413 3.036 3.409 3.675 3.882 4.050 4.191 4.313 4.420 4.516 4.602 4.680 4.752 4.818 4.879 4.936 4.989 5.040 5.087 0.100
26
0.050 2.909 3.515 3.881 4.143 4.346 4.513 4.653 4.774 4.881 4.976 5.062 5.140 5.212 5.278 5.339 5.397 5.451 5.501 5.549 0.050
0.010 3.938 4.516 4.870 5.128 5.327 5.493 5.632 5.753 5.860 5.957 6.043 6.122 6.193 6.261 6.323 6.383 6.438 6.490 6.539 0.010
27
 0.100 2.410 3.031 3.403 3.668 3.873 4.040 4.181 4.303 4.409 4.504 4.590 4.668 4.739 4.805 4.865 4.922 4.975 5.025 5.072 0.100
27
0.050 2.903 3.508 3.872 4.132 4.334 4.499 4.639 4.760 4.865 4.960 5.045 5.123 5.194 5.260 5.321 5.378 5.431 5.481 5.529 0.050
0.010 3.927 4.500 4.852 5.108 5.305 5.469 5.606 5.726 5.832 5.928 6.014 6.091 6.163 6.229 6.291 6.350 6.404 6.455 6.503 0.010
28
 0.100 2.407 3.026 3.397 3.661 3.866 4.032 4.172 4.293 4.399 4.494 4.579 4.656 4.727 4.793 4.853 4.909 4.962 5.012 5.059 0.100
28
0.050 2.898 3.500 3.863 4.121 4.323 4.487 4.626 4.746 4.851 4.945 5.029 5.106 5.177 5.243 5.303 5.360 5.413 5.463 5.510 0.050
0.010 3.916 4.486 4.835 5.089 5.284 5.446 5.583 5.701 5.806 5.901 5.986 6.063 6.134 6.199 6.260 6.319 6.373 6.423 6.471 0.010
29
 0.100 2.404 3.022 3.391 3.655 3.858 4.024 4.164 4.284 4.390 4.484 4.569 4.646 4.716 4.781 4.842 4.898 4.950 5.000 5.046 0.100
29
0.050 2.894 3.494 3.854 4.112 4.312 4.476 4.614 4.733 4.837 4.931 5.015 5.092 5.162 5.227 5.287 5.343 5.396 5.446 5.492 0.050
0.010 3.906 4.473 4.819 5.071 5.266 5.425 5.561 5.678 5.782 5.876 5.961 6.036 6.107 6.172 6.232 6.290 6.343 6.393 6.441 0.010
30
 0.100 2.401 3.018 3.386 3.648 3.852 4.017 4.156 4.276 4.381 4.475 4.559 4.636 4.706 4.771 4.831 4.887 4.939 4.988 5.034 0.100
30
0.050 2.890 3.488 3.847 4.103 4.302 4.465 4.602 4.721 4.825 4.918 5.001 5.078 5.147 5.212 5.272 5.328 5.380 5.429 5.476 0.050
0.010 3.897 4.460 4.804 5.054 5.248 5.406 5.540 5.657 5.760 5.853 5.937 6.012 6.082 6.146 6.206 6.263 6.316 6.366 6.413 0.010
Error
df
Alpha
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Alpha
Error
df
k = number of means or number of steps between ordered means

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