You can't think out a number to describe the twenty-five standard deviation event; it's just too large a number for any of us to comprehend.
你无法想出一个数字来描述25个标准差事件;这个数字太大了,我们任何人都无法理解。
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。
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。
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)。
Since this overhead is static, comparisons are valid and the typical USES of standard deviation in performance testing apply.
因为该负荷是静态的,所以比较是有效的,而且性能测试应用中标准偏差的典型使用也是有效的。
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。
A point estimate for the standard deviation of the execution time is 645.586 microseconds.
执行时间的标准偏差估值点是645.586微秒。
Comparing the ratio of standard deviation to the average for these two distributions shows that they are similar.
把这一标准差和两次的平均值相比较,我们就能发现他们很相像,(因为我们知道重力加速度是个常数)。
The average size is 3,131 square feet, with a standard deviation of 655 square feet. (Standard deviation is a statistical measure of variance.)
平均大小为 3,131平方英尺,标准偏差为 655 平方英尺(标准偏差是一个描述差异的统计量度)。
One standard deviation happens one draw out of three, two standard deviations one out of twenty, three standard deviations is one out of one hundred.
落在一个标准偏差之外的概率是1/3,两个标准差之外的概率是1/20,三个标准差之外是百分之一
Using the average and the standard deviation, you can interpret that 68% of the attempts were between .2 and 1.3 seconds.
使用平均值和标准偏差,您可以说明,68%的尝试是在 0.2秒到 1.3 秒之间。
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。
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?
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。
Number of policies doesn't affect the means but it affects that standard deviation, so it becomes very collapsed and this is the basic core idea of insurance.
保单的数量并不影响其均值,但是会影响其标准差,所以这条曲线非常陡峭,而这就是保险的核心原理
To calculate the expected utility of your wealth, you might also have to look at the expected return, or the geometric expected return, or the standard deviation.
为了计算我们财富的期望效用,你可能也得关注期望回报、或几何期望回报、或标准差。
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。
The standard deviation is the square root of the variance.
标准差是方差的平方根。
You can't come up with a number to describe the twenty-five standard deviation event; it's just too large a number, I think, for any of us to really comprehend.
你根本无法想出一个数字,来描述这个偏离25倍标准差的事件,对我们普通人来说,这是个难以想象的天文数字。
In installation, the positioning axis of the foundation and the bearing steel cylinder elevation exceed the allowable value of the standard deviation.
在安装方面上,基础的定位轴线和支承钢柱面标高超过规范允许偏差值。
Throughout the entire intercomparison process, it's desirable to establish the stability of a measured cell difference by calculating a standard deviation across several redundant readings.
在整个比对过程中,我们希望得到被测电池电压差的稳定性指标。方法是从几个冗余的读数计算出其标准偏差。
Standard deviation of current noise is qualified to compare corrosion rates of metals with the same corrosion type.
电流噪声标准偏差可用于比较同一种腐蚀类型下材料的腐蚀速度;
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 relative standard deviation of the measurements could be controlled to be less than 1 % for major components and less than 10% for minor components in the solid samples.
对于样品中的主要组分,测定的相对标准偏差可控制在1%以内,对微量组分可控制在10%以内。
The recovery of sulfur was 95 ~ 102% and relative standard deviation 3 ~ 5%.
平行测定结果的相对标准偏差为3 ~ 5%,加标回收率为95 ~ 102%。
Standard deviation is a measure of dispersion, variation or spread.
标准差衡量色散、变异或扩散。
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。
The precision of an analytical procedure is usually expressed as the standard deviation or relative standard deviation (coefficient of variation) of a series of measurements.
分析规程的精密度通常以一系列测量数值的标准差或相对标准差(变异系数)来表示。
The precision of an analytical procedure is usually expressed as the standard deviation or relative standard deviation (coefficient of variation) of a series of measurements.
分析规程的精密度通常以一系列测量数值的标准差或相对标准差(变异系数)来表示。
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