Acceptance Sampling

Training Topics:

I. Introduction

• Definition of Accepting Sampling
• Purpose of Acceptance Sampling
• Alternatives to Acceptance Sampling
• Variety of Situations

II. Evaluating Single Sampling Plans

• Characterizing Single Sampling Plans
• Probability of acceptance
• OC Curves
• Summarizing OC Curves
• AOQ Curves and AOQL
• ASN Curves

III. Selecting Single Sampling Plans

• Selecting Plans Based on AQL and LTPD
• Selecting Plans Based on AQL and AOQL
• Selecting Plan to Reject the Obvious

IV. Economical Single Sampling Plans

• Definition of Accepting Sampling
• Purpose of Acceptance Sampling
• Alternatives to Acceptance Sampling
• Variety of Situations

V. Practical Considerations

• Why Acceptance Sample?
• Comparison of Methos for Selecting Plans
• Process Monitoring
• 100% Inspections
• Defect Categories
• Where to Place Inspections
• Forming Lots
• Selecting Samples
• Sample Sizes for Special Studies
• Effect of Inspection Errors
• Incentive for Improvement
• Zero Acceptance Number Sampling Plans

VI. Double Sampling Plans

• Characterizing Double Sampling Plans
• OC Curves
• AQL, IQ, LTPD and AOQL
• AOQ Curves
• ASN Curves
• Selecting Plans Based on AQL and LTPD
• Selecting Matching Double Sampling Plans
• Reinspection
• Multiple and Sequential Sampling Plans

VII. Quick Switching Systems

• Characterizing Quick Switching Systems
• Stationary and Transitive OC Curves
• Summarizing Protection
• AOQ Curves
• ASN Curves
• Selecting QSSs Based on AQL and LTPD
• Using QSSs to Improve Protection
• Monitoring Processes
• Comparison to Chain Sampling Plans

VIII. Mil-Std-105E, ANSI/ASQC Z1.4 - 2003

• The ANSI/ASQ Z.4 Indexing System
• Matching Double Sampling Plans and QSSs
• ANSI/ASQ Z1.4 Switching rules

IX. Variable Sampling Plans

• The Normal Distribution
• Characterizing Variable Sampling Plans
• Evaluating Variable Sampling Plans
• Selecting Variable Sampling Plans
• Known Standard Deviation
• Attributes Versus Variables Sampling Plans
• Normality Assumption
• Variables Inspection for Parameters
• Measurement Error
• Mil Std 414, ANSI/ASQC Z1.9 - 2003
• Selecting the Type of Sampling Plan

* This training use as reference the Acceptance Sampling book from Dr. Wayne A. Taylor