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ANSI/ASQ Z1.9 2003 (R2018)

Sampling Procedures and Tables for Inspection by Variables for Percent Nonconforming

ASQ/ANSI Z1.9 is an acceptance sampling system to be used on a continuing stream of lots for AQL specified. It provides tightened, normal, and reduced plans to be used on measurements which are normally distributed. Variation may be measured by sample standard deviation, sample range, or known standard deviation. It is applicable only when the normality of the measurements is assured.

Content Provider
American Society for Quality [asq]

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Amendments & Corrections
We have no amendments or corrections for this standard.

As the voice of the U.S. standards and conformity assessment system, the American National Standards Institute (ANSI) empowers its members and constituents to strengthen the U.S. marketplace position in the global economy while helping to assure the safety and health of consumers and the protection of the environment.