Normally distributed data assumes that about 68% of the values in the sample are within 1 standard deviation of the mean.
正态分布数据认为，样本中约68%的数值分布在距离平均值为1的标准偏差之内。
So how do these outliers and dispersion affect the values of the mean and standard deviation?
那么这些异常值和分散度是怎么影响度量值和标准偏差的呢？
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。
For continuous outcomes, you will need to enter the number of participants, the mean outcome value and the standard deviation for each group.
对于连续性变量结局，你需要输入每组的参与者数目、结局的平均值和标准差。
What the standard deviation really tells you is that some set of users were + or - the test average (or arithmetic mean).
标准偏差真正能够告诉您的是，某些用户是高于还是低于平均测试水平(或者算术含义)。
So, how can the mean and standard deviation be used to determine which of two tasks is faster?
那么，如何用平均值和标准偏差判断两个任务中哪一个更快呢？
As for the previous outcome, you will need to provide the number of participants, the mean outcome value and the standard deviation for each group.
和前面的结局相同，你需要提供每组的参与者人数、结局的平均值和标准差。
In our final section, we will look at how the current measures of location; that is, the mean and standard deviation and discuss how susceptible they are to dispersion.
在最后的部分中，我们将会看到位置的当前度量；这指的就是度量值与标准偏差。
Based on discrete random vibration theory, recursive square equations to calculate the mean and standard deviation of response are developed.
在此基础上采用随机振动的离散分析理论，推导出结构响应均值和方差的递推式。
Then obtain base-case, best-case, and worst-case NPV and calculate mean NPV and standard deviation to (roughly) estimate the magnitude of the risk inherent to the project.
然后得出基本情况，最好情况，最差情况下的净现值，再计算平均净现值和标准偏差，（粗略地）估计该项目的内部固有风险的大小。
Firstly, the local gray mean feature and local standard deviation feature were utilized to realize target modeling based on the low SNR characteristic of ir images.
首先，针对红外图像低信噪比的特点，采用局部灰度均值特征及局部标准差特征用于目标建模。
And then I could also do a Gaussian one here, with the mean of and the standard deviation of volatility divided by 2.
然后我在这里再写一个高斯分布的函数，它的浮动值的平均值和，标准偏差值都除了2。
Extend the expressions of the minimum mean squared error bounds of the references, and give the relations of the minimum mean squared error bounds of pose Angle and noise standard deviation.
对文献中已给的目标方位角的最小均方误差表达式进行了推导，并且给出了方位角的最小均方误差和噪声偏差之间的关系。
The mean and standard deviation of the Concentration of gray classes in WANNING and 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。
In the first model users' generalized travel cost are assumed to be weighted sum of the standard deviation and the mean travel time, and users have perfect knowledge of the road network condition.
在第一种模型中，假定出行者的广义出行费用定义为平均行程时间和行程时间均方差的线性加权和，同时出行者能够正确认识自己的广义出行费用。
A new method which can efficiently and accurately calculate the mean and standard deviation of a dependent random variable is proposed.
对于从属随机变量统计特征的确定，本文介绍了一种精确高效的确定其均值和标准差的方法。
By solving recurrence equation of stochastic finite element, the duration curve of mean value and standard deviation of seismic response can be obtained for every floor of frame shear structure.
通过求解随机有限元的递推方程，得到框剪结构各层的地震动力响应均值和标准差历时曲线。
Under the sub-block images of the mean and standard deviation images express into three states: the edge of state, the flat state, texture state.
根据分块图像的均值与标准差将图像表示成三种状态：边缘态、平坦态、纹理态。
Based on site measuring and laboratory testing, these parameters 'mean and standard deviation are calculated, and the linear stiffness for the system of formwork supports is measured.
通过现场实测，统计获得了模板支撑负担面积、支撑偏斜率随机变量的均值与标准差；通过室内试验与现场实测获得了模板支撑体系的线刚度参数。
Moreover, the profit of contrarian strategies is significantly improved when the mean-standard deviation ratio optimization allocation is used.
均值-标准差比率优化配置可以显著地提高反向策略的赢利。
By using the sample mean range( R )instead of standard deviation of the sample( S )in"S " method, the"R " method is obtained in this paper.
在“S”法的基础上，利用样本平均极差R代替“S”法中的样本标准差S ，从而得到了“R”法，并且给出了相应的样本大小，及各种情况下的接收标准。
The researcher used SPSS to analyze the data as soon as they were collected. During the process of analysis, description of mean and standard deviation, the ANOVA, and the Chi-square tests were used.
数据在收集之后，研究者使用社会统计软件包对其进行分析，先后使用平均值、平均差、方差分析和卡方差分析等方法。
Landscape features of the basin mean little difference between the standard deviation of the value of landscape features smaller basins, inter-month changes in runoff coefficient is more gentle.
景观功能均值相差不大的流域之间，景观功能值标准差较小的流域，月际间径流系数的变化更加平缓。
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。
The errors of the mean and standard deviation of the time of activity and project completion caused by assumptions are given by means of deviation tests.
利用检验的办法确定了PERT假设前提对工序时间的均值、标准离差及总工期所产生的误差。
By calculating the mean and standard deviation of image subbands decomposed by NSCT, the texture feature elements are extracted.
以nsct域各子带系数的均值和标准方差构成基本特征向量。
The standard deviation of a set of numbers is the average distance the set of numbers is from the mean of the set of numbers.
一组数据的标准差是这组数据和这组数据的平均值之间的平均距离。
The mean of post-test has improve by 8.6667 comparing to the pre-test, and the standard deviation of the post-test decreases, which implies students' average level improves.
后测的分数明显高于前测的分数，后测平均分比前测平均分高出8.667分，而且后测的标准差小于前测，说明学生的整体水平有了提高；
The mean of post-test has improve by 8.6667 comparing to the pre-test, and the standard deviation of the post-test decreases, which implies students' average level improves.
后测的分数明显高于前测的分数，后测平均分比前测平均分高出8.667分，而且后测的标准差小于前测，说明学生的整体水平有了提高；
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