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。

耶鲁公开课 - 金融市场课程节选

so all of these things with addition of the deviation of the policy, personnel and material to Iraq, led to the turnanoud.

所有这些事情加上政策，人员，物资向伊拉克的转移，使得局势有了改变。

普林斯顿公开课 - 国际座谈会课程节选

So the other possible deviation we have to consider, is a deviation of the form of one of these guys dropping out.

那么另外一个我们必须要考虑的偏差,是她们俩有一个人退出选举

耶鲁公开课 - 博弈论课程节选

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。

麻省理工公开课 - 计算机科学及编程导论课程节选

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.

要计算你财富的期望效用,你也许还要研究预期收益曲线,或几何预期收益率,或是标准差

耶鲁公开课 - 金融市场课程节选

The next phrase, B-- is very similar, but here it takes the deviation-- And gets it back-- gets us back to the tonic.

下一乐句,B,与之前非常相似,但从这里偏离,又回来,回到主音

耶鲁公开课 - 聆听音乐课程节选

So there's three possible types of deviation here that we need to check.

这有三种可能的偏差,需要我们验证

耶鲁公开课 - 博弈论课程节选

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

耶鲁公开课 - 金融市场课程节选

According to my calculations it was a twenty-five standard deviation event.

根据我的估算,那次波动偏离均值有25倍标准差之巨

耶鲁公开课 - 金融市场课程节选

What we want to do now is compute the mean and variance of the portfolio-- or the mean and standard deviation, since standard deviation is the square root of the variance-- for different combinations of the portfolios.

我们现在要做的是,计算这个投资组合的均值和方差-,或者均值和标准差，因为标准差的平方就等于方差-,这对任何投资组合都是一样的。

耶鲁公开课 - 金融市场课程节选

You want to, for any given expected return, you want to minimize the standard deviation, so it's the left-most line and that means that everyone will be holding the same portfolio.

你希望，在期望收益固定的情况下，你肯定希望将标准差最小化，而这条线是最左边的线,这就意味着所有人,都愿意持有这样的投资组合。

耶鲁公开课 - 金融市场课程节选

So, the optimal thing to do if you live in a world like this n is to get n as large possible and you can reduce the standard deviation of the portfolio very much and there's no cost in terms of expected return.

如果现实中也这样简单的话,那么你就尽量增大,这样就能让投资组合的标准差,就会大大降低,从预期收益率的角度来看,这样做的成本是零。

耶鲁公开课 - 金融市场课程节选