【摘要】： 正一、总体标准偏差、实验标准偏差和合并样本标准偏差总体标准偏差(population standard deviation)规范化的符号为δ,定义为: 式中:μ——总体均值,N次测量结果分布的期望; N——测量次数,N接近无穷大;xi——N个测量结果中的第i个...
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estimate of population standard deviation [统计] 总体标准差估计值 ; 总体标准差估计
standard deviation in population [数] 总体标准偏差
The mean adherence rate in the study population was 96.3% (standard deviation, SD: 7.7).
研究人群中的平均依从率为96.3％（标准差,SD：7.7）。
The normal population characteristics, such as the mean, standard deviation, percentile, percentage and coefficient of variation, are often tested in engineering.
正态母体特征值（母体均值、百分位值、百分率、标准差和变异系数等）的检验是工程中常见的问题。
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