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Statistics at Square One
Appendix Table E
| Table E Mann-Whitney test on unpaired samples: 5% and 1% levels
of P 5% Critical points of rank sums |
||||||||||||||
|
n1 n2 |
2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 10 | |||||||||||||
| 5 | 6 | 11 | 17 | |||||||||||
| 6 | 7 | 12 | 18 | 26 | ||||||||||
| 7 | 7 | 13 | 20 | 27 | 36 | |||||||||
| 8 | 3 | 8 | 14 | 21 | 29 | 38 | 49 | |||||||
| 9 | 3 | 8 | 15 | 22 | 31 | 40 | 51 | 63 | ||||||
| 10 | 3 | 9 | 15 | 23 | 32 | 42 | 53 | 65 | 78 | |||||
| 11 | 4 | 9 | 16 | 24 | 34 | 44 | 55 | 68 | 81 | 96 | ||||
| 12 | 4 | 10 | 17 | 26 | 35 | 46 | 58 | 71 | 85 | 99 | 115 | |||
| 13 | 4 | 10 | 18 | 27 | 37 | 48 | 60 | 73 | 88 | 103 | 119 | 137 | ||
| 14 | 4 | 11 | 19 | 28 | 38 | 50 | 63 | 76 | 91 | 106 | 123 | 141 | 160 | |
| 15 | 4 | 11 | 20 | 29 | 40 | 52 | 65 | 79 | 94 | 110 | 127 | 145 | 164 | 185 |
| 16 | 4 | 12 | 21 | 31 | 42 | 54 | 67 | 82 | 97 | 114 | 131 | 150 | 169 | |
| 17 | 5 | 12 | 21 | 32 | 43 | 56 | 70 | 84 | 100 | 117 | 135 | 154 | ||
| 18 | 5 | 13 | 22 | 33 | 45 | 58 | 72 | 87 | 103 | 121 | 139 | |||
| 19 | 5 | 13 | 23 | 34 | 46 | 60 | 74 | 90 | 107 | 124 | ||||
| 20 | 5 | 14 | 24 | 35 | 48 | 62 | 77 | 93 | 110 | |||||
| 21 | 6 | 14 | 25 | 37 | 50 | 64 | 79 | 95 | ||||||
| 22 | 6 | 15 | 26 | 38 | 51 | 66 | 82 | |||||||
| 23 | 6 | 15 | 27 | 39 | 53 | 68 | ||||||||
| 24 | 6 | 16 | 28 | 40 | 55 | |||||||||
| 25 | 6 | 16 | 28 | 42 | ||||||||||
| 26 | 7 | 17 | 29 | |||||||||||
| 27 | 7 | 17 | ||||||||||||
| 28 | 7 | |||||||||||||
| 1% Critical points of rank sums | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
n1 n2 |
2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| 5 | 15 | |||||||||||||
| 6 | 10 | 16 | 23 | |||||||||||
| 7 | 10 | 17 | 24 | 32 | ||||||||||
| 8 | 11 | 17 | 25 | 34 | 43 | |||||||||
| 9 | 6 | 11 | 18 | 26 | 35 | 45 | 56 | |||||||
| 10 | 6 | 12 | 19 | 27 | 37 | 47 | 58 | 71 | ||||||
| 11 | 6 | 12 | 20 | 28 | 38 | 49 | 61 | 74 | 87 | |||||
| 12 | 7 | 13 | 21 | 30 | 40 | 51 | 63 | 76 | 90 | 106 | ||||
| 13 | 7 | 14 | 22 | 31 | 41 | 53 | 65 | 79 | 93 | 109 | 125 | |||
| 14 | 7 | 14 | 22 | 32 | 43 | 54 | 67 | 81 | 96 | 112 | 129 | 147 | ||
| 15 | 8 | 15 | 23 | 33 | 44 | 56 | 70 | 84 | 99 | 115 | 133 | 151 | 171 | |
| 16 | 11 | 15 | 24 | 34 | 46 | 58 | 72 | 86 | 102 | 119 | 137 | 155 | ||
| 17 | 12 | 16 | 25 | 36 | 47 | 60 | 74 | 89 | 105 | 122 | 140 | |||
| 18 | 12 | 16 | 26 | 37 | 49 | 62 | 76 | 92 | 108 | 125 | ||||
| 19 | 13 | 17 | 27 | 38 | 50 | 64 | 78 | 94 | 111 | |||||
| 20 | 13 | 18 | 28 | 39 | 52 | 66 | 81 | 97 | ||||||
| 21 | 3 | 14 | 18 | 29 | 40 | 53 | 68 | 83 | ||||||
| 22 | 3 | 14 | 19 | 29 | 42 | 55 | 70 | |||||||
| 23 | 3 | 15 | 19 | 30 | 43 | 57 | ||||||||
| 24 | 3 | 10 | 20 | 31 | 44 | |||||||||
| 25 | 3 | 11 | 20 | 32 | ||||||||||
| 26 | 3 | 11 | 21 | |||||||||||
| 27 | 4 | 11 | ||||||||||||
| 28 | 4 | |||||||||||||
n1and n2 are the numbers of cases in the two groups. If the groups are unequal in size, n1 refers to the smaller.
Reproduced by permission of the author and publisher from White C, Biometrics 1952; 8:33.