April 2013
Beginner
480 pages
23h 17m
English
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28 Quality and reliability/quality assurance (QA)
Quality is often defined as the measure of how well a product or system conforms to its claimed specification. Reliability is then the measure of how long the product or system continues to meet this specification. Quality and reliability are of great interest to the end user because this directly affects his confidence that the product or system will meet his expectations. These broad parameters can be evaluated from statistical evidence obtained by the manufacturer’s quality assurance programme. Just as an analogue signal can be digitised for processing by sampling and a highly accurate version of the original regenerated afterwards, a statistical sampling scheme, supported by well tried and ...
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