Section 1: General Introduction to Acceptance Sampling
1.0 Introduction
1.1 Scope
1.2 Object of sampling inspection
1.3 Acceptance sampling
1.3.1 Statistical sampling
1.3.2 Ad hoc sampling (sampling with no statistical
basis)
1.3.3 100% inspection of items
1.3.4 Other sampling practices
1.4 Attributes or variables inspection
1.5 Lot inspection
1.5.1 Lot
1.5.2 Lot size
1.6 Sequence or isolated-lot inspection
1.6.1 Lot-by-lot inspection
1.6.2 Process improvement
1.6.3 Moving lots
1.6.4 Large vs. small lots
1.6.5 Isolated-lot inspection
1.7 Acceptable quality level
1.7.1 Description
1.7.2 Setting an AQL
1.8 Process average
1.9 Limiting quality
1.10 Normal and tightened inspection
1.11 Reduced inspection
1.12 Switching rules
1.13 Average outgoing quality and its limit
1.14 Item: unit of product
1.15 Nonconformity and nonconforming item
1.15.1 Failure to conform
1.15.2 Nomenclature
1.15.3 Classification of nonconformities
1.16 Hazardous nonconformities (defects)
1.17 Curtailment of inspection
1.18 Disposal of unacceptable lots
1.19 Single sampling
1.20 Operating characteristic curves
1.21 Double sampling
1.22 Multiple sampling
1.23 Sequential sampling
1.24 Skip-lot sampling
1.25 Comparison of single, double, multiple and
sequential sampling
1.25.1 Equivalent plans
1.25.2 Average sample size
1.26 Drawing of samples (random method)
1.27 Sampling plans, schemes, and systems
1.28 Distributional characteristics: binomial,
Posson and hypergeometric
Section 2: The ANSI/ASQC Z1.4 System
2.1 Description of ANSI/ASQC A1.4
2.2 Preparing a specification for the use in
conjunction with ANSI/ASQC Z1.4
2.3 Classification of nonconformities and
nonconforming items
2.4 Lots
2.5 Meaning of inspection level
2.6 Setting and inspection level
2.7 Preferred AQLs
2.8 Nonpreferred AQLs
2.9 Setting and AQL
2.10 Drawing a sampling plan from the tables
2.11 Normal inspection
2.12 Tightened inspection
2.13 Switching rules - example
2.14 Methods for reducing the sampling risks
2.15 Reduced inspection
2.16 Double and multiple sampling
2.17 Limiting quality and the isolated lot
2.18 Sample sizes
2.19 Operating characteristic curves
2.20 The AOQL table (see 1.13 for theory)
2.21 Nomograms