BSI 23/30458815 DC:2023 Edition
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BS ISO 7870-6. Control charts – Part 6. EWMA control charts for the process mean
Published By | Publication Date | Number of Pages |
BSI | 2023 | 37 |
PDF Catalog
PDF Pages | PDF Title |
---|---|
6 | Foreword |
7 | Introduction |
9 | 1 Scope 2 Normative references 3 Terms and definitions |
10 | 4 Symbols and abbreviated terms |
11 | 5 EWMA for inspection by variables 5.1 General 5.2 Weighted average explained |
12 | 5.3 Control limits for EWMA control chart |
13 | 5.4 Construction of EWMA control chart |
15 | 5.5 Example |
18 | 6 Choice of the control chart 6.1 Shewhart control chart versus EWMA control chart 6.2 Average run length |
19 | 6.3 Choice of parameters for EWMA control chart 6.3.1 Choice of λ |
20 | 6.3.2 Choice of Lz 6.3.3 Calculation for n |
21 | 6.3.4 Example 7 Procedure for implementing the EWMA control chart 8 Sensitivity of the EWMA to non-normality 9 Advantages and limitations 9.1 Advantages |
22 | 9.2 Limitations |
24 | Annex€A (informative) Application of the EWMA control chart |
28 | Annex€B (normative) EWMA control chart for a proportion of nonconforming units |
31 | Annex€C (normative) EWMA control charts for a number of nonconformities |
33 | Annex€D (informative) Control chart effectiveness |
37 | Bibliography |