This standard specifies the method of selecting sample size for estimating the average quality of a batch (or process) for a given

The population involved in this standard is normally distributed. This standard is applicable to the estimation or testing of the

This standard replaces GB/T 4883-1985. Compared with GB/T 4883-1985, the changes in the technical content of this standard mainly

This standard specifies the grade, technical requirements, test methods and inspection rules for mildew-proof packaging. This stan

This standard is integrated on the basis of GB/T 4087.1-1983 "Point estimation of binomial distribution parameters for statistical

This standard specifies the estimation and test methods of binomial distribution parameters. This standard is integrated on the ba

The sampling plan and assessment procedures specified in this part of GB/T 2828 are used to assess whether the quality level of a

This part of GB/T 2828 specifies general skip-lot sampling procedures for acceptance inspection by attributes. The purpose of thes