【摘要】MSA 分析中，会用到用到的D2*常数表，比如在量具线性和偏倚研究中计算标准偏差时需要用极差值除样本对应的D2*常数
| 子组容量 | ||||||||||||||||||||
| 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | ||
| 子组数 | 1 | 1.0 | 2.0 | 2.9 | 3.8 | 4.7 | 5.5 | 6.3 | 7.0 | 7.7 | 8.3 | 9.0 | 9.6 | 10.2 | 10.8 | 11.3 | 11.9 | 12.4 | 12.9 | 13.4 |
| 1.41421 | 1.9115 | 2.23887 | 2.48124 | 2.67253 | 2.82981 | 2.96288 | 3.07794 | 3.17905 | 3.26909 | 3.35016 | 3.42378 | 3.49116 | 3.55333 | 3.61071 | 3.66422 | 3.71424 | 3.76118 | 3.80537 | ||
| 2 | 1.9 1.27931 | 3.8 1.80538 | 5.7 2.15069 | 7.5 2.40484 | 9.2 2.60438 | 10.8 2.76779 | 12.3 2.90562 | 13.8 3.02446 | 15.1 3.12869 |
16.5 3.22134 | 17.8 3.30463 | 19.0 3.38017 | 20.2 3.44922 | 21.3 3.51287 | 22.4 3.57156 | 23.5 3.62625 | 24.5 3.67734 | 25.5 3.72524 | 26.5 3.77032 | |
| 3 | 2.8 1.23105 | 5.7 1.76858 | 8.4 2.12049 | 11.1 2.37883 | 13.6 2.58127 | 16.0 2.74681 | 18.3 2.88628 | 20.5 3.00643 | 22.6 3.11173 | 24.6 3.20526 | 26.5 3.28931 | 28.4 3.36550 | 30.1 3.43512 | 31.9 3.49927 | 33.5 3.55842 | 35.1 3.61351 | 36.7 3.66495 | 38.2 3.71319 | 39.7 3.75857 | |
| 4 | 3.7 1.20621 | 7.5 1.74989 | 11.2 2.10522 | 14.7 2.36571 | 18.1 2.56964 | 21.3 2.73626 | 24.4 2.87656 | 27.3 2.99737 | 30.1 3.10321 | 32.7 3.19720 | 35.3 3.28163 | 37.7 3.35815 | 40.1 3.42805 | 42.4 3.49246 | 44.6 3.55183 | 46.7 3.60712 | 48.8 3.65875 | 50.8 3.70715 | 52.8 3.75268 | |
| 5 | 4.6 1.19105 | 9.3 1.73857 | 13.9 2.09601 | 18.4 2.35781 | 22.6 2.56263 | 26.6 2.72991 | 30.4 2.87071 | 34.0 2.99192 | 37.5 3.09808 | 40.8 3.19235 | 44.0 3.27701 | 47.1 3.35372 | 50.1 3.42381 | 52.9 3.48836 | 55.7 3.54787 | 58.4 3.60328 | 61.0 3.65502 | 63.5 3.70352 | 65.9 3.74914 | |
| 6 | 5.5 1.18083 | 11.1 1.73099 | 16.7 2.08985 | 22.0 2.35253 | 27.0 2.55795 | 31.8 2.72567 | 36.4 2.86680 | 40.8 2.98829 | 45.0 3.09467 | 49.0 3.18911 | 52.8 3.27392 | 56.5 3.35077 | 60.1 3.42097 | 63.5 3.48563 | 66.8 3.54522 | 70.0 3.60072 | 73.1 3.65253 | 76.1 3.70109 | 79.1 3.74678 | |
| 7 | 6.4 1.17348 | 12.9 1.72555 | 19.4 2.08543 | 25.6 2.34875 | 31.5 2.55460 | 37.1 2.72203 | 42.5 2.86401 | 47.6 2.98568 | 52.4 3.09222 | 57.1 3.18679 | 61.6 3.27142 | 65.9 3.34866 | 70.0 3.41894 | 74.0 3.48368 | 77.9 3.54333 | 81.6 3.59888 | 85.3 3.65075 | 88.8 3.69936 | 92.2 3.74509 | |
| 8 | 7.2 1.16794 | 14.8 1.72147 | 22.1 2.08212 | 29.2 2.34591 | 36.0 8.55208 | 42.4 2.72036 | 48.5 2.86192 | 54.3 2.98373 | 59.9 3.09039 | 65.2 3.18506 | 70.3 3.27006 | 75.2 3.34708 | 80.0 3.41742 | 84.6 3.48221 | 89.1 3.54192 | 93.3 3.59751 | 97.4 3.64941 | 101.4 3.69806 | 105.3 3.74382 | |
| 9 | 8.1 1.16361 | 16.6 1.71828 | 24.9 2.07953 | 32.9 2.34370 | 40.4 2.55013 | 47.7 2.71858 | 54.5 2.86028 | 61.1 2.98221 | 67.3 3.08896 | 73.3 3.18370 | 79.1 3.26878 | 84.6 3.34585 | 90.0 3.41624 | 95.1 3.48107 | 100.1 3.54081 | 104.9 3.59644 | 109.5 3.64838 | 114.1 3.69705 | 118.5 3.74284 | |
| 10 | 9.0 1.16014 | 18.4 1.71573 | 27.6 2.07746 | 36.5 2.34192 | 44.9 2.54856 | 52.9 2.71717 | 60.6 2.85898 | 67.8 2.98100 |
74.8 3.08781 | 81.5 3.18262 | 87.9 3.26775 | 94.0 3.34486 | 99.9 3.41529 | 105.6 3.48016 | 111.2 3.53993 | 116.5 3.59559 | 121.7 3.64755 | 126.7 3.69625 | 131.6 3.74205 | |
| 11 | 9.9 1.15729 | 20.2 1.71363 | 30.4 2.07577 | 40.1 2.34048 | 49.4 2.54728 | 58.2 2.71600 | 66.6 2.85791 | 74.6 2.98000 | 82.2 3.08688 | 89.6 3.18174 | 96.6 3.26690 | 103.4 3.34406 | 109.9 3.41452 | 116.2 3.47941 | 122.3 3.53921 | 128.1 3.59489 | 133.8 3.64687 | 139.4 3.69558 | 144.7 3.74141 | |
| 12 | 10.7 1.15490 | 22.0 1.71189 | 33.1 2.07436 | 43.7 2.33927 | 53.8 2.54621 | 63.5 2.71504 | 72.6 2.85702 | 81.3 2.97919 | 89.7 3.08610 | 97.7 3.18100 | 105.4 3.26620 | 112.7 3.34339 | 119.9 3.411387 | 126.7 3.47879 | 133.3 3.53861 | 139.8 3.59430 | 146.0 3.64630 | 152.0 3.69503 | 157.9 3.74087 | |
| 13 | 11.6 1.15289 | 23.8 1.71041 | 35.8 2.07316 | 47.3 2.33824 | 58.3 2.54530 | 68.7 2.71422 | 78.6 2.85627 | 88.1 2.97847 | 97.1 3.08544 | 105.8 3.18037 | 114.1 3.26561 | 122.1 3.34282 | 129.8 3.41333 | 137.3 3.47826 | 144.4 3.53810 | 151.4 3.59381 | 158.1 3.64582 | 164.7 3.69457 | 171.0 3.74041 | |
| 14 | 12.5 1.15115 | 25.7 1.70914 | 38.6 2.07213 | 51.0 2.33737 | 62.8 2.54452 | 74.0 2.71351 | 84.7 2.85562 | 94.9 2.97787 | 104.6 3.08487 | 113.9 3.17984 | 122.9 3.26510 | 131.5 3.34233 | 139.8 3.41286 | 147.8 3.47781 | 155.5 3.53766 | 163.0 3.59339 | 170.3 3.64541 | 177.3 3.69417 | 184.2 3.74002 | |
| 15 | 13.4 1.14965 | 27.5 1.70804 | 41.3 2.07125 | 54.6 2.33661 | 67.2 2.54385 | 79.3 2.71290 | 90.7 2.85506 | 101.6 2.97735 | 112.1 3.08438 | 122.1 3.17938 | 131.7 3.26465 | 140.9 3.34191 | 149.8 3.41245 | 158.3 3.47742 | 166.6 3.53728 | 174.6 3.59302 | 182.4 3.64505 | 190.0 3.69382 | 197.3 3.73969 | |
| 16 | 14.3 1.14833 | 29.3 1.70708 | 44.1 2.07047 | 58.2 2.33594 | 71.7 2.54326 | 84.5 2.71237 | 96.7 2.85457 | 108.4 2.97689 | 119.5 3.08395 | 130.2 3.17897 | 140.4 3.26427 | 150.2 3.34154 | 159.7 3.41210 | 168.9 3.47707 | 177.7 3.53695 | 186.3 3.59270 | 194.6 3.64474 | 202.6 3.69351 | 210.4 3.73939 | |
| 17 | 15.1 1.14717 | 31.1 1.70623 | 46.8 2.06978 | 61.8 2.33535 | 76.2 2.54274 | 89.8 2.71190 | 102.8 2.85413 | 115.1 2.97649 | 127.0 3.08358 | 138.3 3.17861 | 149.2 3.26393 | 159.6 3.34121 | 169.7 3.41178 | 179.4 3.47677 | 188.8 3.53666 | 197.9 3.59242 | 206.7 3.64447 | 215.2 3.69325 | 223.6 3.73913 | |
| 18 | 16.0 1.14613 | 32.9 1.70547 | 49.5 2.06917 | 65.5 2.33483 | 80.6 2.54228 | 95.1 2.71148 | 108.8 2.85375 | 121.9 2.97613 | 134.4 3.08324 | 146.4 3.17829 | 157.9 3.26362 | 169.0 3.34092 | 179.7 3.41150 | 190.0 3.47650 | 199.9 3.53640 | 209.5 3.59216 | 218.8 3.64422 | 227.9 3.69301 | 236.7 3.73890 | |
| 19 | 16.9 1.14520 | 34.7 1.70480 | 52.3 2.06862 | 69.1 2.33436 | 85.1 2.54187 | 100.3 2.71111 | 114.8 2.85341 | 128.7 2.97581 | 141.9 3.08294 | 154.5 3.17801 | 166.7 3.26335 | 178.4 3.34066 | 189.6 3.41125 | 200.5 3.47626 | 211.0 3.53617 | 221.1 3.59194 | 231.0 3.64400 | 240.5 3.69280 | 249.8 3.73869 | |
| 20 | 17.8 1.14437 | 36.5 1.70419 | 55.0 2.06813 | 72.7 2.33394 | 89.6 2.54149 | 105.6 2.71077 | 120.9 2.85310 | 135.4 2.97552 | 149.3 3.08267 | 162.7 3.17775 | 175.5 3.26311 | 187.8 3.34042 | 199.6 3.41103 | 211.0 3.47605 | 222.1 3.53596 | 232.8 3.59174 | 243.1 3.64380 | 253.2 3.69260 | 263.0 3.73850 | |
| d2 | 1.12838 | 1.69257 | 2.05875 | 2.32593 | 2.53441 | 2.70436 | 2.8472 | 2.97003 | 3.077751 | 3.17287 | 3.25846 | 3.33598 | 3.40676 | 3.47193 | 3.53198 | 3.58788 | 3.46006 | 3.68896 | 3.735 | |
| cd | 0.876 | 1.815 | 2.7378 | 3.623 | 4.4658 | 5.2673 | 6.0305 | 6.7582 | 7.4539 | 8.1207 | 8.7602 | 9.3751 | 9.9679 | 10.5396 | 11.0913 | 11.6259 | 12.144 | 12.6468 | 13.1362 | |