And he defined the average in terms of not the sum divided by two, but he chose the geometric mean.

鲍林定义平均并不是,简单相加在除以二，他选择几何平均。

麻省理工公开课 - 固态化学导论课程节选

I mean, the average, you know, the sort of typical workdays, 8 or 9 hours.

我是说，平均而言，正常的工作日，八九个小时。

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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

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In fact, there are some very old books that show this as the average, the sum divided by two arithmetic mean, but the modern practice is to use the geometric mean.

事实上，一些很老的书籍上,平均的定义就是算数意义的，总的来说被分为两种算数意义，但现代我们多用几何意义。

麻省理工公开课 - 固态化学导论课程节选

would have been the winning answer had everyone assumed that the average would have been constantly compounded down to 1, but since a couple of people chose the, I mean not incorrect answers, but the higher averages, then it was pushed up to 13.

如果大家都认为,平均数会一直下降到1的话,1应该是最终的答案,但是由于一部分人选择了,并不是说是错误的,但是却高于平均值的数,就把平均数推高到了13

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People also call that the mean or the average.

也可以叫做平均值

耶鲁公开课 - 金融市场课程节选

We have expected value, mean or average.

我们可以用期望值,或者是平均值

耶鲁公开课 - 金融市场课程节选