standard deviation

常见例句

Then how different would the mean and standard deviation be if the procedure were repeated?
那么，如果重复执行度量过程，平均值和标准偏差会有多大变化？
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？
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。

That's got the lowest possible standard deviation of expected return and that's 25% stocks and 75% bonds with this sample period.
这个组合预期回报的标准差最小,在这一点上，投资组合,由25%的股票和75%的债券构成。
耶鲁公开课 - 金融市场课程节选
It shows the standard deviation of the return on the portfolio as a function of the expected return on the portfolio.
它是投资组合的收益标准差,关于预期收益率的函数图像。
耶鲁公开课 - 金融市场课程节选
7% 77% is class average and the standard deviation was 17% so you can see where things lie. 50% is a pass.
7是平均水平，标准偏差是%,这就是事情所在，50%就及格。
麻省理工公开课 - 固态化学导论课程节选

The gray area around the average line shows the two standard deviation range of the data.
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December is also the least historically volatile month, with a standard deviation of returns of 3.17%.
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It's lost 0.3% a year over three years with a standard deviation of 14%.
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