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标准误差
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标准误差
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标准误差
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standard error
标准误差
在抽样试验(或重复的等精度测量)中，抽出的样本平均数的样本标准差，即反复研究（实验）几百次后，获得非常多均值预计，然后取这些均值预计的均值，也得出其样本标准差，这些均值预计的样本标准差即标准误差。
Physics
通类
物理
standard error
标准误差
standard error
标准误差
†
Mathematics
＞计算数学＞基本概念与误差理论＞释义
standard error
标准误差
standard error
标准误差
†
Astronomy
全称：standard error。缩写：s.e.
标准误差
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