常用係數表

常態分配統計量抽樣分配常數表

樣本
大小
(n)
m3 d2 d3 c2 c3 c4 c5
2
3
4
5
 1.000
1.160
1.090
1.198
 1.128
1.693
2.059
2.326
 0.853
0.888
0.880
0.864
 0.564
0.724
0.798
0.841
 0.426
0.378
0.337
0.305
 0.798
0.886
0.921
0.940
 0.603
0.463
0.389
0.341
6
7
8
9
10
1.135
1.214
1.160
1.223
1.176
2.534
2.704
2.847
2.970
3.078
0.848
0.833
0.820
0.808
0.797
0.868
0.888
0.903
0.914
0.923
0.281
0.261
0.245
0.232
0.220
0.952
0.959
0.965
0.969
0.973
0.308
0.282
0.262
0.246
0.232
11
12
13
14
15
1.228
1.188
1.232
1.196
1.235
3.173
3.258
3.336
3.407
3.472
0.787
0.778
0.770
0.763
0.756
0.930
0.936
0.941
0.945
0.949
0.210
0.202
0.194
0.187
0.181
0.975
0.978
0.979
0.981
0.982
0.221
0.211
0.202
0.194
0.187
16
17
18
19
20
1.203
1.237
1.208
1.239
1.212
3.532
3.588
3.640
3.689
3.735
0.750
0.744
0.739
0.733
0.729
0.952
0.955
0.958
0.960
0.962
0.175
0.170
0.165
0.161
0.157
0.984
0.985
0.985
0.986
0.987
0.181
0.175
0.170
0.166
0.161

計量值管制界限係數
樣本
大小
(n)
A2 A3 B3 B4 D3 D4 E2
2
3
4
5
1.880
1.023
0.729
0.577
2.659
1.954
1.628
1.427
-----
-----
-----
-----
3.267
2.568
2.266
2.089
-----
-----
-----
-----
 3.267
2.574
2.282
2.114
2.660
1.772
1.457
1.290
6
7
8
9
10
0.483
0.419
0.373
0.337
0.308
1.287
1.182
1.099
1.032
0.975
0.303
0.118
0.185
0.239
0.284
1.970
1.882
1.815
1.761
1.716
-----
0.076
0.136
0.184
0.223
2.004
1.924
18645
1.816
1.777
 1.184
1.109
1.054
1.010
0.975
11
12
13
14
15
0.285
0.266
0.249
0.235
0.223
0.927
0.886
0.850
0.817
0.789
0.321
0.354
0.382
0.406
0.428
1.679
1.646
1.618
1.594
1.572
0.256
0.283
0.307
0.328
0.347
1.744
1.717
1.693
1.672
1.653
0.945
0.921
0.899
0.880
0.864
16
17
18
19
20
0.212
0.203
0.194
0.187
0.180
0.763
0.739
0.718
0.698
0.680
0.448
0.466
0.482
0.497
0.510
1.552
1.534
1.518
1.503
1.490
0.363
0.378
0.391
0 403
0.415
1.637
1.622
1.608
1.597
1.585
0.849
0.936
0.824
0.813
0.803