BS ISO 3951-1:2022

$215.11

Sampling procedures for inspection by variables – Part 1: Specification for single sampling plans indexed by acceptance quality limit (AQL) for lot-by-lot inspection for a single quality characteristic and a single AQL

Published By	Publication Date	Number of Pages
BSI	2022	118

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Categories: 03.120.30 - Application of statistical methods, BSI

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Description

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PDF Pages	PDF Title
2	undefined
7	Foreword
8	Introduction
11	1 Scope 2 Normative references
12	3 Terms and definitions
16	4 Symbols
17	5 Choice of a sampling plan 5.1 Choice between variables and attributes
18	5.2 General 5.3 Choice between the s-method and σ-method
19	5.4 Choice of inspection level and AQL
20	6 Standard procedures for the s-method 6.1 General 6.2 Single specification limits
21	6.3 Double specification limits 7 Standard procedures for the σ-method 7.1 General 7.2 Single specification limits
22	7.3 Double specification limits 8 The p*-method
23	9 Switching between inspection severities
24	9.1 Rules for switching between inspection severities
25	9.2 Records for switching between inspection severities 10 Relation to ISO 2859-1 10.1 Similarities
26	10.2 Differences
27	11 Allowing for measurement uncertainty 12 Normality, data transformations and outliers 12.1 Normality 12.2 Data transformations
28	12.3 Outliers 13 Monitoring and recording of inspection results 13.1 Monitoring of inspection results 13.2 Process capability and performance assessment 13.3 Monitoring of process parameters
29	14 Tables 14.1 Form k for single sampling plans: s-method
36	14.2 Form k for single sampling plans: σ-method
43	14.3 Form p* single sampling plans
50	14.4 Values of fσ for maximum process standard deviation (MPSD) 14.5 Supplementary acceptance constants for qualifying towards reduced inspection
51	15 Examples 15.1 General 15.2 Examples for the s-method
58	15.3 Examples for the σ-method
62	15.4 Examples for the p*-method
65	Annex A (informative) Procedures for obtaining s and σ
68	Annex B (informative) Accommodating measurement variability
73	Annex C (informative) Sampling strategies
75	Annex D (informative) Operating characteristics for the σ–method
76	Annex E (informative) Operating characteristic for the s-method – tabulated values for single sampling plans, normal inspection
85	Annex F (informative) Consumer’s risk qualities
92	Annex G (informative) Producer’s risks
100	Annex H (informative) Construction of acceptance diagrams for double specification limits
111	Annex I (informative) Use of the underlying software
116	Bibliography

Additional information

Status	Definitive
Pages	118
Publication Date	2022-08-22
ISBN	978 0 539 12657 0
Standard Number	BS ISO 3951-1:2022
Title	Sampling procedures for inspection by variables – Part 1: Specification for single sampling plans indexed by acceptance quality limit (AQL) for lot-by-lot inspection for a single quality characteristic and a single AQL
Identical National Standard Of	ISO 3951-1
Replaces	BS ISO 3951-1:2013
Descriptors	Standard deviation, Inspection by variables, Statistical quality control, Control charts, Quality assurance, Quality control, Power spectra, Acceptance inspection, Sampling methods, Mathematical calculations, Normal distribution, Inspection, Sampling tables
Publisher	BSI
Committee	SS/5
ICS Codes	03.120.30 - Application of statistical methods

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BS ISO 3951-1:2022

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