Using t-statistic adjusted by skewness, serial correlation and heteroskedastickty, this paper examines the profitability of momentum strategies and contrarian strategies in China stock markets, and investigates whether the mean-standard deviation ratio optimization allocation affects the profitability of two kinds of strategies.
利用经偏度、序列相关和异方差调整的t统计量,考察了1995～2002年我国股市动量策略和反向策略的赢利性,并研究了均值-标准差比率优化配置对上述两种策略赢利性的影响。
Comparison Analyses of Equal Interval Method and Mean-standard Deviation Method Used to Delimitate Urban Heat Island
等间距法和均值标准差法界定城市热岛的对比研究
The threshold value should be defined by the relationship concerning the mean and standard variances of the fire bright temperatures,whereby the missing of the fire spot can be avoided.
利用火点亮温偏离统计均值标准差的关系来确定阈值,可以避免火点的遗漏;
experimental standard deviation of the mean
平均值的实验标准偏差
standard deviation of the arithmetic mean of a series of measurements
测量列算术平均值的标准（偏）差
standard deviation of weighted arithmetic mean
加权算术平均值的标准（偏）差
Control charts for averages and for standard deviations
GB/T4091.2-1983均值--标准差控制图(x-s图)
Averages, standard deviations, and variances are not supported when a PivotTable has calculated items.
在使用计算项时，不支持均值、标准差和方差计算。
The normal threshold value was calculated as mean value±2s.
H-FABP正常参考值上限按均值+2×标准差(x±2s)计算。
Write a program to input100 integers from a file, and then determine the mean and standard deviation.
从档案读取100个整数，并决定平均值与标准差。
The standard deviation from the mean is the preferred quantity.
用平均值得出标准偏差是优先采用衡量的单位。
Image Enhancement Algorithm Based on Local Mean and Standard Deviation
基于局部均值和标准差的图像增强算法
Averages, standard deviations, and variances are not supported when a PivotTable report has calculated items.
在数据透视表有计算项时，平均值、标准偏差和方差计算不被支持。
We shall use the standard error of estimate as a tool in the same way that we can use the standard deviation.
同标准差一样，应该把估计值平均误差当作一个工具。
Testing Ratios of Means to Standard Deviations from Normal Populations under Order Restrictions with Generalized p Values
正态总体均值与标准差比在序约束下的广义p-值检验
standard error of sample mean
样本平均值的标准误
The Six Sigma Black Belt should be able to compute the mean and standard deviation from a grouped frequency distribution.
西格玛黑带应能从一组频次分布数据计算出均值和标准偏差。
Standard deviation, RSD and confidential limit should be reported.
均应报告标准偏差、相对标准偏差和可信限。
We can use this method to calculate the mean values and standard deviations of the responses, and estimate the stochastic errors of structural characters resulting from the fabrication errors.
利用此法，能计算结构静响应的均值和标准差，估价制造误差引起的结构力学性能的随机性误差。
