Studentized Range Statistic (q) for
\(\alpha\) = 0.05
Find the appropriate q value at the intersection of
\(df_\text{Within}\) and number of groups (k).
|
k = 2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
df = 3
|
4.501
|
5.910
|
6.824
|
7.502
|
8.037
|
8.478
|
8.852
|
9.177
|
9.462
|
4
|
3.926
|
5.040
|
5.757
|
6.287
|
6.706
|
7.053
|
7.346
|
7.601
|
7.826
|
5
|
3.635
|
4.602
|
5.218
|
5.673
|
6.033
|
6.330
|
6.582
|
6.801
|
6.995
|
6
|
3.461
|
4.339
|
4.896
|
5.305
|
5.628
|
5.895
|
6.122
|
6.319
|
6.493
|
7
|
3.344
|
4.165
|
4.681
|
5.060
|
5.359
|
5.606
|
5.815
|
5.997
|
6.158
|
8
|
3.261
|
4.041
|
4.529
|
4.886
|
5.167
|
5.399
|
5.596
|
5.767
|
5.918
|
9
|
3.199
|
3.949
|
4.415
|
4.755
|
5.024
|
5.244
|
5.432
|
5.595
|
5.738
|
10
|
3.151
|
3.877
|
4.327
|
4.654
|
4.912
|
5.124
|
5.304
|
5.460
|
5.598
|
11
|
3.113
|
3.820
|
4.256
|
4.574
|
4.823
|
5.028
|
5.202
|
5.353
|
5.486
|
12
|
3.081
|
3.773
|
4.199
|
4.508
|
4.750
|
4.950
|
5.119
|
5.265
|
5.395
|
13
|
3.055
|
3.734
|
4.151
|
4.453
|
4.690
|
4.884
|
5.049
|
5.192
|
5.318
|
14
|
3.033
|
3.701
|
4.111
|
4.407
|
4.638
|
4.829
|
4.990
|
5.130
|
5.253
|
15
|
3.014
|
3.673
|
4.076
|
4.367
|
4.595
|
4.782
|
4.940
|
5.077
|
5.198
|
16
|
2.998
|
3.649
|
4.046
|
4.333
|
4.557
|
4.741
|
4.896
|
5.031
|
5.150
|
17
|
2.984
|
3.628
|
4.020
|
4.303
|
4.524
|
4.705
|
4.858
|
4.991
|
5.108
|
18
|
2.971
|
3.609
|
3.997
|
4.276
|
4.494
|
4.673
|
4.824
|
4.955
|
5.071
|
19
|
2.960
|
3.593
|
3.977
|
4.253
|
4.468
|
4.645
|
4.794
|
4.924
|
5.037
|
20
|
2.950
|
3.578
|
3.958
|
4.232
|
4.445
|
4.620
|
4.768
|
4.895
|
5.008
|
21
|
2.941
|
3.565
|
3.942
|
4.213
|
4.424
|
4.597
|
4.744
|
4.870
|
4.981
|
22
|
2.933
|
3.553
|
3.927
|
4.196
|
4.405
|
4.577
|
4.722
|
4.847
|
4.957
|
23
|
2.925
|
3.542
|
3.914
|
4.181
|
4.388
|
4.558
|
4.702
|
4.826
|
4.935
|
24
|
2.919
|
3.532
|
3.901
|
4.166
|
4.373
|
4.541
|
4.684
|
4.807
|
4.915
|
25
|
2.913
|
3.523
|
3.890
|
4.153
|
4.358
|
4.526
|
4.667
|
4.789
|
4.897
|
26
|
2.907
|
3.514
|
3.880
|
4.141
|
4.345
|
4.511
|
4.652
|
4.773
|
4.880
|
27
|
2.902
|
3.506
|
3.870
|
4.130
|
4.333
|
4.498
|
4.638
|
4.758
|
4.864
|
28
|
2.897
|
3.499
|
3.861
|
4.120
|
4.322
|
4.486
|
4.625
|
4.745
|
4.850
|
29
|
2.892
|
3.493
|
3.853
|
4.111
|
4.311
|
4.475
|
4.613
|
4.732
|
4.837
|
30
|
2.888
|
3.486
|
3.845
|
4.102
|
4.301
|
4.464
|
4.601
|
4.720
|
4.824
|
40
|
2.858
|
3.442
|
3.791
|
4.039
|
4.232
|
4.388
|
4.521
|
4.635
|
4.734
|
50
|
2.841
|
3.416
|
3.758
|
4.002
|
4.190
|
4.344
|
4.473
|
4.584
|
4.681
|
60
|
2.829
|
3.399
|
3.737
|
3.977
|
4.163
|
4.314
|
4.441
|
4.550
|
4.646
|
100
|
2.806
|
3.365
|
3.695
|
3.929
|
4.109
|
4.256
|
4.378
|
4.484
|
4.577
|
Inf
|
2.772
|
3.314
|
3.633
|
3.858
|
4.030
|
4.170
|
4.286
|
4.386
|
4.474
|