Home / Standards / GB/T 4890-1985 GB/T 4890-1985 Active Statistical interpretation of data--Power of tests relating to means and variances of normal distributions 数据的统计处理和解释 正态分布均值和方差检验的功效 Standard Type GBT ICS 07.020 CCS A41 Status 现行 Issue Date 1985-01-29 Implementation 1985-10-01 Responsible Dept 国家标准委 Drafting Unit N/A