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。
The Six Sigma Black Belt should be able to compute the mean and standard deviation from a grouped frequency distribution.
六西格玛黑带应该能够计算出一个分组发生频次分布数据的均值和标准偏差。
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？
From the measurements, compute the mean and standard deviation.
根据度量值计算出平均值和标准偏差。
This is important, because it shows that looking at just the average is not enough, especially if your standard deviation is a large number.
这是很重要的，因为它说明了，仅查看平均值是不够的，特别是当您的标准偏差非常大的时候。
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。
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。
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。
I mentioned standard deviation a few times above with regard to garbage collection, and this is something that is often overlooked when evaluating performance results.
在前文中我多次提到关于垃圾收集的标准偏差，并且在评估性能结果的时候，人们常常会忽略它。
In the final section we showed by example that both the mean and standard deviation are less resistant to dispersion within a dataset.
在最后的部分中，我们通过范例显示了中间值和标准偏差对于数据集内的分散度都没有多大的抵抗力。
How does the standard deviation quantify measurement scatter?
标准偏差如何量化度量值漂移？
It could be normal, everything, that would be a Gaussian, where if you recall there was a mean, and a standard deviation, and most values were going to be close to the mean.
可能是正态分布，也就是高斯分布，只要有平均值和标准偏差值，你就可以进行调用，大部分的值都是集中在平均值附近的。
The good news is the standard deviation, the red line, is trending downward.
好消息是，用红线表示的标准偏差呈现下降趋势。
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。
The indicators show that when governance is improved by one standard deviation, incomes rise about three-fold in the long run, and infant mortality declines by two-thirds.
治理指标表明，当治理出现一个标准偏差的改善，从长期看收入就会提高三倍，婴儿死亡率降低三分之二。
Thus, if outliers are present within the dataset the mean and standard deviation are located accordingly.
因此，如果在数据集内存在异常值的话，那么度量值和标准偏差会得到相应的定位。
In Figure 11, the overall average response time dropped by slightly more then half, with the standard deviation well under 1 second.
在图11中，整体的平均响应时间下降了一半以上，并且标准偏差低于1秒。
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。
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。
In fact, the warning at the end says that the standard deviation was not accurately measured.
实际上，末尾的警告指出标准偏差度量不精确。
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）。
But if I would confine myself just to stocks and bonds, then I would get a much higher standard deviation.
但若组合里只有股票和债券，我的标准差会高得多。
There is an enormous average difference between women and men in this dimension, about one standard deviation.
在有一定偏差的前提下，两性有巨大差异。
You have seen the mean and standard deviation, and intuitively you might expect temperatures to be distributed normally. Let's check
您已经看到均值和标准偏差，直观上您可能会觉得温度是正态分布的。
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。
For the standard deviation the effect is more pronounced, we can see that the standard deviation is roughly six times greater when outliers are included.
对于标准偏差而言，这种效果更加显著，我们可以看到标准偏差是包含异常值时标准偏差的6倍左右。
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）。
Standard deviation inaccurate: See the Standard deviation warnings section in the article supplement for details.
标准偏差不精确：更多信息参见补充资料的Standard deviationwarnings一节。
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