ISO 3951-3 : 2007(R2016)

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviations
5 Acceptance quality limit (AQL)
6 Switching rules for normal, tightened and reduced
   inspection
7 Relation to ISO 2859-1
8 Limiting quality protection
9 Planning
10 Choice between variables and attributes
11 Choice of method
12 Choice between single and double sampling plans
13 Choice of inspection level and AQL
14 Choice of sampling scheme
15 Preliminary operations
16 Standard univariate "s" method procedures
17 Standard univariate "sigma" method procedures
18 Procedure during continuing inspection
19 Normality and outliers
20 Records
21 Operation of switching rules
22 Discontinuation and resumption of inspection
23 Switching between the "s" and "sigma" methods
Annex A (informative) Standard multivariate "s" method
                      procedures for double sampling with
                      independent quality characteristics
Annex B (informative) Standard multivariate "sigma" method
                      procedures for double sampling with
                      independent quality characteristics
Annex C (informative) Standard multivariate combined "s"
                      and "sigma" method procedures for
                      double sampling with independent
                      quality characteristics
Annex D (informative) Location of text on key features
Annex E (normative) Estimating the process fraction
                    nonconforming
Annex F (informative) Form k "s" method single sampling plans
                      matched to the corresponding single
                      sampling plans by attributes
Annex G (informative) Form k "sigma" method single sampling
                      plans matched to the corresponding single
                      sampling plans by attributes
Annex H (informative) Average sample sizes for double sampling
                      by variables: "s" method
Annex I (informative) Producer's risks for the "s" method
Annex J (informative) Tabulated operating characteristics for
                      double sampling plans with known process
                      standard deviation
Annex K (informative) Ratios of ASSIs of double sampling plans
                      under normal inspection to the sample size
                      of the corresponding single sampling plan
                      by variables
Annex L (informative) Ratios of the ASSIs of double sampling
                      plans by variables to the ASSIs of
                      corresponding plans by attributes
Annex M (informative) Design methodology
Bibliography

Specifies an acceptance sampling system of double sampling schemes for inspection by variables for percent nonconforming.