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ASQ Z1.4-2003 (R2018) and Z1.9-2003 (R2018) SET
M00004711
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ASQ Z1.4-2003 (R2018) and Z1.9-2003 (R2018) SET Sampling Procedures and Tables for Inspection by Attributes (Z1.4) and Sampling Procedures and Tables for Inspection by Variables for Percent Nonconforming (Z1.9) SET
standard by American Society for Quality, 2013
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About Z1.4-2003 (R2018):Sampling Procedures and Tables for Inspection by Attributes is an acceptance sampling system to be used with switching rules on a continuing stream of lots for AQL specified. It provides tightened, normal, and reduced plans to be applied for attributes inspection for percent nonconforming or nonconformities per 100 units.
About Z1.9-2003 (R2018):
Sampling Procedures and Tables for Inspection by Variables for Percent Nonconforming 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.