We have expected value, mean or average.
我们可以用期望值，或者是平均值。
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)。
The key thing to remember about random variables is that actual observations are centered around an average, or mean value.
对于随机的变化关键要记住的是，实际的观测资料都在平均数或者中间值周围。
On average, those with the ‘A’ version, or the ‘mean gene’ gave less than half as much to charity, the University of Bonn study found.
德国波恩大学（Universityof Bonn）的研究发现，平均而言，那些拥有A版本基因，或称吝啬基因的志愿者愿意捐赠的金钱不到赢得的一半。
On average, those with the 'A' version, or the 'mean gene' gave less than half as much to charity, the University of Bonn study found.
德国波恩大学（Universityof Bonn）的研究发现，平均而言，那些拥有A版本基因，或称吝啬基因的志愿者愿意捐赠的金钱不到赢得的一半。
That's called the expected value. People also call that the mean or the average.
这叫做期望值，人们也成为均值或平均值。
This may mean that we will provide clients with partial fills at different prices or a single fill at an average price.
这意味着我方将以不同价格为客户执行部分份额，也可能以平均价提供单个份额。
Returns the average of the absolute deviations of data points from their mean. Arguments can be Numbers or names, arrays, or references that contain Numbers.
返回一组数据点到其均值的绝对偏差的平均值。参数可以是数字或名称，数组或包含数字的引用。
Does this mean that future medical breakthroughs will result in even longer average life spans, or have we reached our limit?
那我们是不是就可以由此推出——日后的医学突破将会使人类的平均寿命再得到延长，或是，人类已经达到了生命的极限？
The more common method of calculating averages is known as the arithmetic mean, or simple average.
更常见的计算方法被成为算数平均法，或者简单平均数。
I mean, everybody expects you to be special or perfect, and I'm just an average eleven year-old kid.
我是说，大家都期望你是特别的，或完美的，而我仅仅是一个普通的十一岁小孩。
With CPM, estimates of activity durations are based on historical data and are assumed to be the mean or average time that the activity has taken to perform in the past.
CPM的活动历时估算通常以历史数据为基础，并且采用以往项目活动历时的平均值。
So does this mean that future medical breakthroughs will result in even longer average life spans, or have we reached our limit?
那我们是不是就可以由此推出——日后的医学突破将会使人类的平均寿命再得到延长，或是，人类已经达到了生命的极限？
Another important concept in probability theory that we will use a lot is expected value, the mean, or average — those are all roughly interchangeable concepts.
概率论中另外一个常用的重要的概念是，期望值或者也叫均值，这两个概念可以互换。
Mean reversion is a tendency for a stochastic process to remain near, or tend to return over time to a long-run average value.
均值回归是指随着时间的向前推进，一个随机过程向其均值靠近的趋势。
Mean reversion is a tendency for a stochastic process to remain near, or tend to return over time to a long-run average value.
均值回归是指随着时间的向前推进，一个随机过程向其均值靠近的趋势。
应用推荐