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REFERENCE TABLES
QUALITY ASSURANCE TABLES STATISTICAL TABLES
:: Standard Factors for Control Charts
:: Distribution of Average Range
:: Run Length Limits for Run Charts
:: Normal Distribution
:: Poisson Distribution
:: t Distribution
:: Chi Square Distribution
:: F Distribution
TAGUCHI ORTHOGONAL ARRAYS  
:: Selected Taguchi Orthogonal Arrays

 
   
d2 Tables

Values of and

 
Size of samples (n)
# Samples (k)
2
3
4
5
6
7
8
9
10
11
12
13
14
15
1
1.414
1.912
2.239
2.481
2.673
2.830
2.963
3.078
3.179
3.269
3.350
3.424
3.491
3.553
2
1.279
1.805
2.151
2.405
2.604
2.768
2.906
3.025
3.129
3.221
3.305
3.380
3.449
3.513
3
1.231
1.769
2.120
2.379
2.581
2.747
2.886
3.006
3.112
3.205
3.289
3.366
3.435
3.499
4
1.206
1.750
2.105
2.366
2.570
2.736
2.877
2.997
3.103
3.197
3.282
3.358
3.428
3.492
5
1.191
1.739
2.096
2.358
2.563
2.730
2.871
2.992
3.098
3.192
3.277
3.354
3.424
3.488
6
1.181
1.731
2.090
2.353
2.558
2.726
2.867
2.988
3.095
3.189
3.274
3.351
3.421
3.486
7
1.173
1.726
2.085
2.349
2.555
2.723
2.864
2.986
3.092
3.187
3.272
3.349
3.419
3.484
8
1.168
1.721
2.082
2.346
2.552
2.720
2.862
2.984
3.090
3.185
3.270
3.347
3.417
3.482
9
1.164
1.718
2.080
2.344
2.550
2.719
2.860
2.982
3.089
3.184
3.269
3.346
3.416
3.481
10
1.160
1.716
2.077
2.342
2.549
2.717
2.859
2.981
3.088
3.183
3.268
3.345
3.415
3.480
11
1.157
1.714
2.076
2.340
2.547
2.716
2.858
2.980
3.087
3.182
3.267
3.344
3.415
3.479
12
1.155
1.712
2.074
2.3439
2.546
2.715
2.857
2.979
3.086
3.181
3.266
3.343
3.414
3.479
13
1.153
1.710
2.073
2.338
2.545
2.714
2.856
2.978
3.085
3.180
3.266
3.343
3.413
3.478
14
1.151
1.709
2.072
2.337
2.545
2.714
2.856
2.978
3.085
3.180
3.265
3.342
3.413
3.478
15
1.150
1.708
2.071
2.337
2.544
2.713
2.855
2.977
3.084
3.179
3.265
3.342
3.412
3.477
 
1.128
1.693
2.059
2.326
2.534
2.704
2.847
2.970
3.078
3.173
3.259
3.336
3.407
3.472
Duncan A. J (1986), Quality Control and Industrial Statistics Appendix D3

 
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