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BS ISO 3951-1:2013 Sampling procedures for inspection by variables - 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 >
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BS ISO 3951-1:2013 Sampling procedures for inspection by variables - 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, 2018
- National foreword
- Foreword
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Symbols
- 5 Acceptance quality limit (AQL) [Go to Page]
- 6 Switching rules for normal, tightened, and reduced inspection
- 7 Relation to ISO 2859‑1 [Go to Page]
- 8 Consumer protection [Go to Page]
- 9 Allowing for measurement uncertainty
- 10 Planning
- 11 Choice between variables and attributes
- 12 Choice between the s-method and σ-method
- 13 Choice of inspection level and AQL
- 14 Choice of sampling scheme [Go to Page]
- 15 Preliminary operations
- 16 Standard procedures for the s-method [Go to Page]
- 17 Standard procedures for the σ-method [Go to Page]
- 18 Procedure during continuing inspection
- 19 Normality and outliers [Go to Page]
- 20 Records [Go to Page]
- 21 Operation of switching rules
- 22 Discontinuation and resumption of inspection
- 23 Switching between the s-method and σ-method [Go to Page]
- 24 Charts B to R — Operating characteristic curves and tabulated values for single sampling plans, normal inspection: s-method [Go to Page]
- 25 Charts s-D to s-R — Acceptance curves for combined control of double specification limits: s-method
- Bibliography
- Annex A (normative) Table for determining the sample size code letter
- Annex B (normative) Form k for single sampling plans: s-method
- Annex C (normative) Form k for single sampling plans: σ-method
- Annex D (normative) Values of f s for maximum sample standard deviation (MSSD)
- Annex E (normative) Values of fσ for maximum process standard deviation (MPSD)
- Annex F (normative) Estimating the process fraction nonconforming for sample size 3: s‑method
- Annex G (normative) Single sampling plans of Form p*
- Annex H (normative) Values of c U for upper control limit on the sample standard deviation
- Annex I (normative) Supplementary acceptability constants for qualifying towards reduced inspection
- Annex J (normative) Procedures for obtaining s and σ
- Annex K (informative) Consumer’s risk qualities
- Annex L (informative) Producer’s risks
- Annex M (informative) Operating characteristics for the σ‑method
- Annex O (normative) Accommodating measurement variability [Go to Page]