standard deviation

standard deviation

美 　英

• n.标准差；标准偏差
• 网络标准离差；标准方差；标准离差指标

词形变化

复数：standard deviations  

英汉双解

英汉解释

na.	1. 【统】标准(偏)差

英英解释

n.	1. a number that shows how much smaller or larger a number in a set of numbers is from the average of the set

例句

and the standard deviation, which shows how much a fund bounces around its average returns.

标准差，这能够显示一个基金围绕其平均收益上下摇摆的幅度。

Actually, a colleague and I recently discussed the importance of standard deviation and how it is often simply ignored.

事实上，最近我和一个同事讨论了关于标准偏差的重要性，以及它常常被人忽视的情况。

Nevertheless, even if the euro system was not at the heart of the crisis, it needs to be able to withstand two standard deviation shocks.

然而，即便欧元体系没有处于危机的核心，它也必须能够顶住2倍标准方差事件的冲击。

You can use it to turn your variance measurement into a standard deviation measurement, as shown in Listing 8.

您可以利用此函数将您的样本方差计算转换为样本标准差计算，如清单8所示。

By analysing the results, it is possible to calculate the expected value, standard deviation and confidence interval of the sample.

通过对结果的分析，能够算出该样板的期望值、标准差和置信区间。

Standard deviation A commonly used measure of the degree to which a variable is dispersed around its mean value .

一个常用的度量标准，用以衡量一个变量的分布位置与其均值的偏离程度。

Actually calculating standard deviation can be a little challenging, but luckily many performance tools can help.

事实上，计算标准偏差可能有点麻烦，但幸运的是，许多性能工具可以帮助您完成这个任务。

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。

The precision of this method is better than the zone sampling method. The relative standard deviation(RSD) is less than 3 %.

方法的精密度优于区域采样法，相对标准偏差小于3%。

We tell prospective clients that if their main goal is to minimize standard deviation around the index, save money and buy an index fund.

我们会告诉潜在的客户，如果他们的主要目的是缩小与指数的标准差，那就省点钱去买指数基金。

That would be fine, except that the standard deviation of returns, a gauge of how variable profits are, was almost 300 basis points.

那将很好，除了收益的标准偏差，这是一个衡量可变利润的指标，将近300个基本点。

An estimate of the standard deviation of a population, where the sample is a subset of the entire population.

估算总体的标准偏差，样本为总体的子集。

It is the bell curve to which investors are referring when they talk about a "nine standard deviation event" .

当投资者们谈及所谓“九个标准差事件”时，他们实际上在说钟形曲线。

Returns the population standard deviation of a numeric expression evaluated over a set, using the biased population formula.

返回数值表达式用有偏差总体公式对集求得的总体标准偏差。

The standard deviation was used to scale the uniform distribution degree of solid holdup in different exchanger pipes.

采用标准差函数进一步衡量了管束间固含率的均匀程度。

The buffeting displacement standard deviation might be higher than the mean value, even for higher wind velocity.

即使高风速条件下，抖振位移标准差也有可能高于平均值；

Returns the standard deviation of a numeric expression evaluated over a set (biased).

返回在某一集合上对数值表达式求得的标准偏差（偏置填充）。

The standard deviation and concentration ratio of local evaluation was used to identify and control collusion attack.

采用基于局部评价标准差、局部评价集中度的方法识别和抑制共谋攻击；

Alternatively, it may be as complex as calculating the standard deviation of a sample, or a hyperbolic tangent of a number.

或者，复杂的如计算样本的标准偏差或数字的双曲正切。

Continuous attributes are displayed with a diamond chart, which represents the mean and standard deviation in each cluster.

连续属性以菱形图显示，表示每个分类中的平均偏差和标准偏差。

Calculate the equivalent mean, variance and standard deviation of these shares annually.

计算每一份的均值，方差，标准差。

The heterogeneity of core oil saturation distribution can be evaluated with standard deviation and variation coefficient.

采用标准偏差和变异系数对岩心含油饱和度分布的非均质程度进行评价。

it may be measured via the standard deviation of a sample , as mentioned above.

它可以用样本标差来衡量，就像前面提到的。

From the distribution of the net present value of the property, one may calculate the expected net present value and its standard deviation.

从发行的净现值的财产，我们可以计算出预期净现值及其标准偏差。

Suppose that the standard deviation of returns from a typical share is about . 40 (or 40 percent) a year.

假设一支典型股票的回报率的标准差约为.40（或40%）一年。

Items used to determine the population standard deviation.

用于确定总体标准偏差的项。

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？

Risk is assessed in terms of price volatility, most commonly measured as standard deviation.

风险是按照价格波动性来评估的，通常以标准差来衡量。

The clearing temperatures were predicted by the best network with a standard deviation of 13 degrees.

信息温度预测的最好的网络，标准差为13度。

The standard deviation of mechanical compression method was the biggest, and from which the data was unreliable.

机械压榨法的标准差最大，数据不可靠。

RMS Granularity: Standard deviation of random-density fluctuations for a particular film.

均方根颗粒度：对一特定胶片而言，随机密度波动的标准偏差。

Descriptive statistics results suggest that the standard deviation of most counties'forward premium increases with the term.

统计分析结果显示，大多数国家的远期溢价标准差具有随着期限延长而增大的趋势。

And Average True Range, Linear Regression, MACD, Momentum, Relative Strength Index, Standard Deviation, Stochastic open below chart window.

真是波动幅度均值、线性回归、MACD、动力要素、相对强度指标和标准偏差都会被随机打开与图表窗口下面。

"We were seeing things that were 25-standard deviation moves, several days in a row, " said Goldman Sachs' chief financial officer.

高盛首席财务官当时曾表示：“我们注意到连续几天出现了25倍标准方差事件。”

Items used to determine the standard deviation .

用于确定标准偏差的项。

Multi-scan program recipe capability standard with statistical report generating software to calculate standard deviation and mean.

多扫描程序具有生成标准统计报告，用以计算标准偏差和平均值等结果。

The mean and standard deviation of each vocabulary learning belief and strategy are calculated.

并且努力找出哪些观念和策略与学生的词汇成绩具有显著相关性；

The two main types of channels are straight envelopes and standard deviation channels, often called Bollinger bands.

有两种主要的通道，一种叫包络线，另一种叫标准背离通道，后者通常叫做布林通道。

Four types of risk are introduced as well as standard deviation, the statistical measurement of risk.

这本书介绍了四类投资风险以及度量风险的统计学概念标准差。

The positive square root of the variance is called the standard deviation.

方差的正的平方根叫做标准差。