Statistical Methods for Psychology

Appendix WS: Critical Lower-Tail Values of WSfor Rank-Sum Test for Two Independent Samples (N 1 #N 2 ) 715

Appendix WS: Critical Lower-Tail Values of WSfor Rank-Sum

Test for Two Independent Samples (N 1 #N 2 )

N 1 51 N 152

N 2 0.001 0.005 0.010 0.025 0.05 0.10 2W

——

0.001 0.005 0.010 0.025 0.05 0.10 2W

——

N 2

24—102
353123
46—3144
5734165
6834186
79—34207
8—10345228
9111345249
10 1 12 3 4 6 26 10
11 1 13 3 4 6 28 11
12 1 14 — 4 5 7 30 12
13 1 15 3 4 5 7 32 13
14 1 16 3 4 6 8 34 14
15 1 17 3 4 6 8 36 15
16 1 18 3 4 6 8 38 16
17 1 19 3 5 6 9 40 17
18 — 1 20 — 3 5 7 9 42 18
19 1 2 21 3 4 5 7 10 44 19
20 1 2 22 3 4 5 7 10 46 20
21 1 2 23 3 4 6 8 11 48 21
22 1 2 24 3 4 6 8 11 50 22
23 1 2 25 3 4 6 8 12 52 23
24 1 2 26 3 4 6 9 12 54 24
25————1227 — 3 4 6 9125625

N 1 53 N 154

N 2 0.001 0.005 0.010 0.025 0.05 0.10 2W

——

0.001 0.005 0.010 0.025 0.05 0.10 2W

——

N 2

36721
4—6724—101113364
5 6 7827 —10111214405
6 — 7 8930 1011121315446
7 6 7 8 10 33 10 11 13 14 16 48 7
8 — 6 8 91136 1112141517528
9 6 7 8 10 11 39 — 11 13 14 16 19 56 9
10 6 7 9101242 1012131517206010
11 6 7 9111345 1012141618216411
12 7 8 10 11 14 48 10 13 15 17 19 22 68 12
13 7 8 10 12 15 51 11 13 15 18 20 23 72 13
14 7 8 11 13 16 54 11 14 16 19 21 25 76 14
15 8 9 11 13 16 57 11 15 17 20 22 26 80 15
(continued)