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- 英语的mean这个词有哪些用法？ - 知乎
知乎，中文互联网高质量的问答社区和创作者聚集的原创内容平台，于 2011 年 1 月正式上线，以「让人们更好的分享知识、经验和见解，找到自己的解答」为品牌使命。知乎凭借认真、专业、友善的社区氛围、独特的产品机制以及结构化和易获得的优质内容，聚集了中文互联网科技、商业、影视
- 均值(mean)和平均值(average)的区别？ - 知乎
均值(mean)是对恒定的真实值进行测量后，把测量偏离于真实值的所有值进行平均所得的结果；平均值(average)直接对一系列具有内部差异的数值进行的测量值进行的平均结果。均值是“观测值的平均”，平均值是“统计量的平均”。
- Which mean to use and when? - Cross Validated
So we have arithmetic mean (AM), geometric mean (GM) and harmonic mean (HM) Their mathematical formulation is also well known along with their associated stereotypical examples (e g , Harmonic mean and it's application to 'speed' related problems)
- When do we use S. E. M. and when do we use S. D. ?
$\begingroup$ I disagree with Wiki's use of the term "population mean" I believe they mean "null hypothesized mean" That's not even a necessary concept, since a CI can be constructed without specifying a null hypothesis $\endgroup$ –
- What is the significance of 1 SD? - Cross Validated
The standard deviation tells how "close" the other values are to that mean value, "on average" To calculate the standard deviation you basically find the distance from each point to the mean and then take the average of those distances (really you take the average of the squares of those distances and then take the square root of that average
- How do I evaluate standard deviation? - Cross Validated
The mean score is 2 8 and the standard deviation is 0 54 I understand what the mean and standard deviation stand for My question is: how good (or bad) is this standard deviation? In other words, are there any guidelines that can assist in the evaluation of standard deviation
- Excel怎么求平均值，AVERAGE函数公式值得拥有！ - 知乎
Excel怎么求平均值，AVERAGE函数公式值得拥有！
- 如何正确使用 mean 这个单词？可否举例说明？ - 知乎
一般成人，懂些礼貌的，是不大会用mean这个词来说人的。 用这个词的，印象当中常见两种情况，一是小孩之间，二是朋友之间。 小孩之间可能会是这种情况：B无缘无故揍了A一顿，或者说A的坏话，大大伤了A的自尊心，于是A会哭着说，B, you're so mean!
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