17 2 3445677 8 9 91010111111121213
- 17 18 19 20 21 22 23 23 24 25 25 26 26
18 2 3455678 8 9 91010111112121313
- 17 18 19 20 21 22 23 23 24 25 25 26 26
- 17 18 19 20 21 22 23 24 25 25 26 26 27
19 2 3456678 8 9 101011111212131313
- 17 18 19 20 21 22 23 24 25 25 26 26 27
- 17 18 20 21 22 23 23 24 25 26 26 27 27
20 2 3456678 9 9 101011121213131314
- 17 18 20 21 22 23 23 24 25 26 26 27 27
- 17 18 20 21 22 23 24 25 25 26 27 27 28
*Table 4 is taken from table G of Siegel, S. and Castellan, N.J. (1988) Nonparametric
Statistics for the Behavioral Sciences, 2nd edition, published by McGraw-Hill and
reproduced with the kind permission of the authors and publisher.
- 17 18 20 21 22 23 24 25 25 26 27 27 28
Table 5: Wilcoxon matched-pairs
signed-ranks test rank sum total
statistic critical values
Level of significance for 1-tailed test
0.025 0.010 0.005
Level of significance for 2-tailed testNumber of pairs=N
0.05 0.02 0.01
60 - -
72 0 -
84 20
96 32
10 8 5 3
11 11 7 5
12 14 10 7
13 17 13 10
14 21 16 13
15 25 20 16
16 30 24 20
17 35 28 23
18 40 33 28
19 46 38 32
20 52 43 38
21 59 49 43
22 66 56 49Appendix 399