The weighted mean of the random variable is the expected value.

随机变量的加权平均值是期望值。

youdao

And then computes the mean of, getting me the mean of all the stocks in it.

然后再计算平均值，所有股票的平均值。

youdao

A point estimate for the mean of the execution time is 102.570 milliseconds.

执行时间的平均估值点是102.570毫秒。

youdao

In eighteen ninety-seven,the word came to mean the huge groups of people running or stampeding to Alaska and the Klondike.

VOA: special.2009.02.04

And then I could also do a Gaussian one here, with the mean of and the standard deviation of volatility divided by 2.

然后我在这里再写一个高斯分布的函数，它的浮动值的平均值和,标准偏差值都除了2。

麻省理工公开课 - 计算机科学及编程导论课程节选

If you keep that in mind, and if you're just not shy, I mean, of course you're shy. Everybody's shy.

如果你能记住这个，而且你不害羞，当然你会害羞。所有人都会。

生存英语 - SpeakingMax英语口语达人

In the United States, 34 percent of two- to four-year- olds were enrolled, well below the OECD mean of 41 percent.

UNESCO: II Part Analytic Section

Which does mean of course that an attempt to model the economy as something either in or approaching equilibrium is really rather odd.

FORBES: The Death of Macroeconomics: There is No Invisible Hand

However, the current trade weighted index (TWI) has the majors undervalued by -8% when compared to the mean of the last three decades.

FORBES: EURO Temporarily Rooted But For How Long?