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Introduction to Acceptance Sampling
Rating: 4.4 out of 5(28 ratings)
153 students

Introduction to Acceptance Sampling

How to Balance Internal Inspection Costs with the Risk of Shipping Defective Parts
Last updated 5/2026
English

What you'll learn

  • What is acceptance sampling and how is it used.
  • The origins of acceptance sampling
  • The advantages and disadvantages of acceptance sampling versus 100% inpsection
  • Variables versus attributes
  • The economic of acceptance sampling
  • AQL, LTPD, Operating Curves, Type I and II errors, and other key concepts
  • How to build an OC in Microsoft Excel
  • An Overview of Mil Standard 105E
  • How to use the major sampling tables
  • Single, double and multiple sampling case studies

Course content

1 section27 lectures1h 44m total length
  • Introduction to the Course8:16

    Explore acceptance sampling as a middle ground between no inspection and 100% inspection, with trade-offs, sampling plans, operating curves, and downloadable resources.

  • Introduction to Acceptance Sampling3:16
  • What is Sampling?1:36
  • The Origins of Acceptance Sampling2:13

    Explore the origins of acceptance sampling, tracing Western Electric's use of probability theory for final inspections, Bell's lot tolerances, and the introduction of producers risk and consumers risk.

  • Variables vs Attributes3:04
  • Why Sample?1:34
  • The Economy of Acceptance Sampling2:24
  • What Makes a Good Sampling Plan?2:00
  • Where Does Acceptance Sampling Fit?2:14
  • Definitions, Downloadable Resource1:48
  • Definitions, Pt 18:32
  • Definitions, Pt 27:40
  • Random Sampling1:55
  • Operating Characteristics Curve, Pt 15:30
  • Operating Characteristics Curve, Pt 23:09
  • Operating Characteristics Curve, Pt 31:12

    Explore how the operating characteristics curve informs acceptance sampling by showing how risk changes with lot tolerance percent defective as sample size and acceptance number vary.

  • Sampling Considerations3:55

    Master acceptance sampling by addressing inspection error and gauge error, enforcing random sampling, and separating process streams to form homogeneous lots and enable economies of scale for inspection costs.

  • Building a Sampling Plan1:06
  • Mil Standard 105E6:47
  • Mil Standard 105E, Downloadable Resource3:22
  • Switching Rules4:03
  • Five Examples of Selecting Sampling Plans12:05
  • Using the Tables, a Downloadable Resource1:45
  • Multiple Sampling2:49
  • Closing Comments and References1:53

    Conclude the course by citing essential references for acceptance sampling, and summarize the lesson's history, definitions, operating characteristic curves, and three attribute sampling plans: single, double, and multiple.

  • Conclusion to the Course1:46
  • Bonus Lecture8:55

Requirements

  • Some knowledge about quality and manufacturing
  • Some knowledge of statistics

Description

The decision of how much to inspect your parts before they ship to your customer is an important one. In the extremes, you could 1) inspect every part you ship or 2) not inspect any parts.

Option 1 would greatly reduces the number of defective parts you ship, but results in high internal inspection costs. Option 2 greatly reduces your internal sorting costs, but allows defective parts to flow right to your customers, resulting in dissatisfied customers and much high external sorting costs.

Acceptance Sampling offers an range of options in the middle. The basis for acceptance sampling is to inspect a sample of parts from a given lot, and then accepting or rejecting the lot based on the results of that sample inspection. Using Acceptance Sampling allows you to screen out the great majority of defective lots while minimizing your internal inspection costs.

"Introduction to Acceptance Sampling" offer you everything you need to start your own acceptance sampling system including:

  • Key terminology and concepts related to acceptance sampling

  • An overview of Mil Standard 105E

  • When and how Acceptance Sampling is best applied

  • The economics of acceptance sampling

  • What makes a good inspection plan

  • Type I and Type II errors and how they apply to inspection

  • Operating Characteristic Curves, OC Curves

  • How to build your own OC Curve in Microsoft Excel (Excel template included)

  • How to read and interpret sampling plan tables

  • Single, double, and multiple sampling plans

  • Normal, Tightened, and Reduced sampling plans

  • How and why to switch between sampling plans

  • Downloadable resources you can use at your workplace

When integrated into an organization's quality system alongside other powerful tools like Statistical Process Control (SPC), Layered Process Auditing (LPA), and Error Proofing, Acceptance Sampling can provide manufacturing organizations with a lower cost of high customer satisfaction.

If this is your goal, then "Introduction to Acceptance Sampling" is what you need. Sign up today!!

Who this course is for:

  • Quality engineers, Quality managers, Quality technicians
  • Industrial engineers, manufacturing engineers, process technicians
  • Manufacturing managers