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Journal of Quality and Reliability Engineering
Table of Contents
Journal of Quality and Reliability Engineering
/
2011
/
Article
/
Tab 2
/
Research Article
On the Charting Procedures:
Chart and DD-Diagram
Table 2
Samples
and
and the charting statistics for
and DD-diagram.
Obs.
Reference sample
Empirical sample
Charting statistics
#
1
0.985
7.369
0.126
107
450.5
0.989
7.973
0.115
105
453.5
1.7079
0.1910
0.3693
0.0611
0.0144
2
0.977
7.359
0.126
107
449.3
0.991
7.956
0.113
105
454.6
13.2964
0.1474
0.0699
0.0341
0.0090
3
0.982
7.902
0.115
104
453.6
0.982
7.900
0.114
101
454.3
14.8299
0.1227
0.0632
0.3829
0.3829
4
0.986
7.353
0.125
111
450.2
0.991
7.956
0.115
105
453.2
1.8677
0.2744
0.3487
0.0386
0.0090
5
0.978
7.397
0.124
110
449.6
0.991
7.973
0.114
107
453.1
5.9769
0.2271
0.1433
0.0526
0.0090
6
0.988
7.385
0.126
111
450.1
0.991
7.973
0.114
105
453.6
4.1295
0.2080
0.1950
0.0191
0.0090
7
0.992
7.992
0.116
103
452.6
0.992
7.990
0.117
103
454.7
10.1462
0.1949
0.0897
0.0074
0.0074
8
0.992
7.360
0.124
109
449.9
0.983
7.980
0.115
106
454.1
6.8454
0.1001
0.1275
0.0074
0.2122
9
0.989
7.958
0.115
107
453.3
0.990
7.958
0.115
108
453.5
4.9073
0.2318
0.1693
0.0144
0.0113
10
0.991
7.366
0.125
109
449.7
0.992
7.945
0.115
105
453.8
3.1494
0.1428
0.2410
0.0090
0.0074
11
0.980
7.401
0.125
108
451.1
0.991
7.957
0.115
104
454.6
5.2396
0.2345
0.1603
0.1709
0.0090
12
0.992
7.975
0.115
107
454.3
0.992
8.000
0.114
107
454.6
7.7974
0.1580
0.1137
0.0074
0.0074
13
0.985
7.367
0.125
110
448.9
0.994
7.940
0.116
108
453.9
5.4839
0.2000
0.1542
0.0611
0.0052
14
0.989
7.957
0.115
105
452.9
0.991
7.957
0.114
105
453.1
4.8344
0.3501
0.1714
0.0144
0.0090
15
0.981
7.364
0.124
109
449.6
0.991
8.000
0.114
105
453.4
2.9141
0.2470
0.2555
0.3343
0.0090
16
0.982
7.378
0.124
108
449.4
0.991
7.956
0.115
105
453.1
1.8781
0.2403
0.3474
0.3829
0.0090
17
0.990
7.973
0.115
106
451.9
0.991
7.973
0.115
106
454.3
4.3963
0.1655
0.1853
0.0113
0.0090
18
0.982
7.377
0.126
109
450.3
0.990
7.950
0.115
107
454.1
5.3730
0.3064
0.1569
0.3829
0.0113
19
0.996
7.975
0.116
101
454.0
0.996
8.000
0.117
101
456.1
25.0370
0.1133
0.0384
0.0039
0.0039
20
0.982
7.377
0.125
106
450.8
0.989
7.955
0.115
107
453.3
3.3995
0.2041
0.2273
0.3829
0.0144
21
0.981
7.374
0.126
110
450.0
0.991
7.980
0.114
103
454.5
5.6620
0.3327
0.1501
0.3343
0.0090
22
0.990
7.972
0.115
102
452.8
0.991
7.967
0.115
106
453.2
2.1688
0.2483
0.3156
0.0113
0.0090
23
0.987
7.994
0.116
105
453.1
0.989
7.990
0.116
103
453.0
3.0621
0.2577
0.2462
0.0264
0.0144
24
0.979
7.400
0.125
112
450.1
0.992
7.965
0.115
103
453.1
2.2659
0.2318
0.3062
0.0893
0.0074
25
0.978
7.363
0.127
115
449.8
0.989
7.956
0.114
105
453.2
4.7044
0.0905
0.1753
0.0526
0.0144
26
0.985
7.996
0.116
106
452.2
0.985
8.000
0.117
106
453.1
7.6441
0.1460
0.1157
0.0611
0.0611
27
0.987
7.342
0.124
107
450.6
0.987
7.850
0.114
102
453.0
13.5489
0.1356
0.0687
0.0264
0.0264
28
0.989
7.956
0.115
102
454.7
0.990
7.956
0.115
107
454.0
4.6922
0.1316
0.1757
0.0144
0.0113
29
0.983
7.348
0.125
107
449.3
0.999
7.950
0.114
107
452.1
15.1934
0.2189
0.0618
0.2122
0.0027
30
0.990
7.957
0.115
105
452.6
0.991
7.953
0.115
107
453.6
3.8467
0.3019
0.2063
0.0113
0.0090
31
0.982
7.977
0.117
103
452.3
0.980
7.977
0.117
105
454.0
12.6223
0.0875
0.0734
0.3829
0.1709
32
0.988
7.415
0.126
111
450.4
0.991
7.957
0.115
105
453.9
2.6783
0.1731
0.2719
0.0191
0.0090
33
0.981
7.328
0.124
108
450.2
0.991
7.951
0.113
109
454.2
19.5749
0.1725
0.0486
0.3343
0.0090
34
0.993
7.984
0.116
110
453.1
0.994
7.980
0.116
110
454.1
9.5629
0.1178
0.0947
0.0062
0.0052
35
0.986
7.371
0.126
110
448.9
0.991
7.960
0.114
105
453.0
4.7449
0.1703
0.1741
0.0386
0.0090
36
0.987
7.943
0.116
103
452.1
0.986
7.940
0.116
105
453.1
1.7326
0.2111
0.3660
0.0264
0.0386
37
0.981
7.447
0.127
109
450.7
0.991
7.956
0.114
106
453.9
6.5303
0.0736
0.1328
0.3343
0.0090
38
0.990
7.947
0.115
104
453.7
0.991
7.940
0.115
104
454.3
4.7204
0.2951
0.1748
0.0113
0.0090
39
0.983
7.360
0.124
108
450.2
0.993
7.950
0.115
111
454.0
13.8200
0.2575
0.0675
0.2122
0.0062
40
0.981
7.344
0.125
115
449.9
0.989
7.970
0.114
97
453.4
12.9897
0.1053
0.0715
0.3343
0.0144
41
0.990
7.973
0.115
103
453.9
0.990
7.969
0.115
106
453.5
2.2421
0.2906
0.3084
0.0113
0.0113
42
0.985
7.388
0.125
108
449.2
0.991
7.952
0.115
105
453.0
2.0024
0.2215
0.3331
0.0611
0.0090
43
0.999
7.949
0.117
109
453.5
0.996
7.940
0.114
109
453.9
15.0454
0.0917
0.0623
0.0027
0.0039
44
0.975
7.347
0.124
110
450.8
0.993
7.974
0.115
105
453.1
2.1298
0.1085
0.3195
0.0174
0.0062
45
0.982
7.349
0.126
111
450.0
0.990
7.970
0.115
105
453.1
1.5688
0.3829
0.3893
0.3829
0.0113
46
0.991
7.957
0.115
105
452.1
0.991
7.957
0.115
105
454.1
3.4405
0.2011
0.2252
0.0090
0.0090
47
0.990
7.974
0.115
106
452.4
0.990
7.974
0.115
106
453.0
2.0685
0.2407
0.3259
0.0113
0.0113
48
0.996
7.942
0.116
102
454.6
0.993
7.940
0.116
103
454.1
4.1416
0.1036
0.1945
0.0039
0.0062
49
0.982
7.386
0.125
111
450.6
0.989
7.958
0.115
105
453.1
1.7323
0.3444
0.3660
0.3829
0.0144
50
0.982
7.978
0.115
101
452.1
0.982
7.959
0.111
106
454.1
33.0567
0.0961
0.0294
0.3829
0.3829
51
0.990
7.972
0.115
106
452.6
0.991
7.973
0.115
106
453.6
2.3567
0.2737
0.2979
0.0113
0.0090
52
0.986
7.948
0.116
107
454.6
0.987
7.940
0.113
107
455.0
21.0187
0.1120
0.0454
0.0386
0.0264
53
0.992
7.958
0.116
106
452.4
0.992
7.958
0.116
106
454.1
3.4998
0.2773
0.2222
0.0074
0.0074
54
0.987
7.976
0.115
104
454.6
0.987
8.010
0.115
106
450.1
21.0730
0.1566
0.0453
0.0264
0.0264
55
0.980
7.385
0.125
107
451.2
0.992
7.956
0.115
105
453.1
2.1056
0.1873
0.3220
0.1709
0.0074
56
0.982
7.395
0.125
108
451.1
1.000
7.970
0.115
107
454.1
10.0372
0.2688
0.0906
0.3829
0.0024
57
0.997
7.988
0.117
106
453.7
0.997
7.980
0.115
106
454.7
7.9313
0.1178
0.1120
0.0034
0.0034
58
0.977
7.403
0.124
107
450.0
0.991
7.970
0.115
106
453.5
2.2970
0.2137
0.3033
0.0341
0.0090
59
0.980
7.377
0.125
113
450.2
0.991
7.956
0.115
106
453.0
2.4104
0.1894
0.2932
0.1709
0.0090
60
0.993
7.956
0.115
102
453.3
0.990
7.956
0.115
106
453.1
2.2881
0.2207
0.3041
0.0062
0.0113