This standard illustrates the testing procedure and the sampling plans to be used to verify the correspondence to the technical conditions prescribed for those characteristics of the products for which said verification is carried out with the variable method, i.e. based on the estimate of the average carried out starting from from a sample. For terms, symbols and definitions, see UNI 4723-74.
UNI 7372-1974 history
1974UNI 7372-1974 Statistical methods for quality inspection. Statistical acceptance procedure for variables (rare scrap types: one-sided protection)