LECTURE 21

LECTURE 21 - ENGR 4045U Quality Control Lecture 21 1...

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ENGR 4045U Quality Control Lecture 21 1
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Schedule Week 11 Chapter 14: Process Optimization and Designed Experiments. Week 12 Part VI: Acceptance Sampling. Chapter 15: Lot-by-Lot Acceptance Sampling for Attributes. Week 13 Chapter 16: Other Acceptance Sampling Techniques. 2
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Acceptance Sampling Types of sampling Single sampling Double sampling Lot formation, lot-by-lot Random sampling 3
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Lot Sentencing Accept with no inspection 100% inspection, inspect every item in the lot Acceptance sampling 4
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Acceptance Sampling It is not for quality control but rather to accept or reject lots Even if all lots are with the same quality, sampling might accept some lots and rejects others Sampling can be used as an audit tool to ensure that the output of a process conforms to requirements 5
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When to Use Acceptance Sampling When testing is destructive High cost of 100% inspection 100% inspection is not technologically feasible
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This note was uploaded on 10/18/2010 for the course ENGR 3360 taught by Professor Ahmadbarari during the Fall '10 term at UOIT.

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LECTURE 21 - ENGR 4045U Quality Control Lecture 21 1...

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