GB/T 4889-2008
ActiveStatistical interpretation of data - Techniques of estimation and tests relating to means and variances
数据的统计处理和解释 正态分布均值和方差的估计与检验
Application Summary AI generated
This standard provides statistical methods for estimating and testing the mean and variance of normally distributed data. It is applied in quality control, product testing, and data analysis across Chinese industries to validate manufacturing consistency and process capability. Engineers and procurement professionals use it to assess whether product batches meet specified performance or reliability criteria.
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