standard deviation of mean

Uncertainty of Sample Mean and Standard Deviation.

取样平均值与标准差之不确定度.

The mean and standard deviation of the Concentration of gray classes in WANNINGand QINDAO were provided.

同时还给出了万宁、青岛两地各灰类氯离子浓度的平均值和标准差.

Using mean and standard deviation to describe abnormal distribution is the principle problem of data description.

用均数和标准差描述呈非正态分布的数据是描述数据时存在的首要问题。

There is no doubt that both the mean and standard deviation are effected by the presence of outliers, while the median and IQR are much less impacted.

几乎不用怀疑平均值和标准偏差会收到异常值存在的影响，而中间值和IQR所受到的影响则较小。

The curve approximated by the mean value and standard deviation cyclic strain-life curves of Coffin-Manson law.

基于coffin一Manson定律,将曲线近似表示为均值和均方差循环应变一寿命曲线的形式.

We process the data of normal group with independent sample t test, and operation group by paired t test. Results: All indexes were calculated the mean and standard deviation.

所得数据正常组采用独立样本t检验，手术组采用配对t检验。结果：所有指标均计算得出均值及标准差。

As a practical example, the mean value and standard deviation calculation formulas of 30 thermal performance design magnitudes of straight blade stages are given.

文中给出了汽轮机直叶片级30个热力设计量的均值和标准差的计算公式和应用实例。

To calculate the mean, median and standard deviation of an input dataset read from a file.

为了计算的意思是说, 中位数和标准差的输入数据读取档案.

Standard deviation of weighted arithmetic mean

加权算术平均值的标准（偏）差