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单词 Relative standard error
释义

Relative standard error

中文百科

标准误 Standard error

(重定向自Relative standard error)
图示为服从无偏性正态分布的标准误
一个样本中的预期误差与样本误差系数关系,其无误差的标准误,即 ρ=0,函数为图中红色直线,系数为-½

标准误差(英文:Standard Error),也称标准误,即样本统计量的标准差(英文:Standard Deviation),是描述对应的样本统计量抽样分布的离散程度及衡量对应样本统计量抽样误差大小的尺度。(读者注意:Standard Error是样本统计量的Standard Deviation,而不是样本的Standard Deviation,此处作者英文引用的位置不恰当。)

英语百科

Standard error 标准误

(重定向自Relative standard error)
For a value that is sampled with an unbiased normally distributed error, the above depicts the proportion of samples that would fall between 0, 1, 2, and 3 standard deviations above and below the actual value.
Expected error in the mean of A for a sample of n data points with sample bias coefficient ρ. The unbiased standard error plots as the ρ=0 diagonal line with log-log slope -½.

The standard error (SE) is the standard deviation of the sampling distribution of a statistic, most commonly of the mean. The term may also be used to refer to an estimate of that standard deviation, derived from a particular sample used to compute the estimate.

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更新时间:2025/6/18 7:35:10