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英语的mean这个词有哪些用法？ - 知乎 mean这个词有许多用法和含义，在不同的情境下有不同的解释和表达方式。 以下是一些常见的用法： 1 表示某物或某人的意图、目的或动机。 例如： - What do you mean? 你是什么意思？ - I mean to say that it's not fair 我的意思是说这不公平。 - What does it mean when he says that?
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 mea
Difference in Means vs. Mean Difference - Cross Validated When studying two independent samples means, we are told we are looking at the "difference of two means" This means we take the mean from population 1 ($\\bar y_1$) and subtract from it the mean from
如何正确使用 mean 这个单词？可否举例说明？ - 知乎 词典里翻译成的“小气，吝啬”只是mean的一小部分意思。 Mean在口语中更多的是“毒舌，刻薄，过分，坏”的意思。 -Cady: You're the one who made me like this so you could use me for your 8th grade revenge! -Cady: 是你把我变成这个样子的，然后你好利用我来为你8年级的事情复仇。
mean和median的平均值有意义吗？ - 知乎 mean 表示是观测值的平均值,只考虑数据集中出现的所有数据 符合 正太分布 median 表示数据集的数据范围的中间值 符合 偏态分布 举个例子, 如果有两个公司, 某岗位的工资的median value 相差不大,A公司员工的工资的mean value 大于大于B公司员工工资mean value, 说明A公司有部分员工工资特别高 所以以后找
standard deviation - Can I use mean ± SD for non-negative data when . . . "Can I use 'mean ± SD' for non-negative data when SD is higher than mean?" clearly you can (you already managed it in the question), the issue is more should you do so However, what is missing here is the intended purpose of doing so If it's really just to show both the mean and the standard deviation, wouldn't x¯ = 1, s = 3 x = 1, s = 3 (whether or not the SD is larger) be less ambiguous
Mean absolute deviation vs. standard deviation - Cross Validated After calculating the "sum of absolute deviations" or the "square root of the sum of squared deviations", you average them to get the "mean deviation" and the "standard deviation" respectively The mean deviation is rarely used
Estimating mean and SD given the median and IQR values it is possible to estimate mean and SD given the median and IQR? I am involved in a meta-analysis where some trials show outcomes as mean and standard deviation but most show median and inter-quantile range
What is the significance of 1 SD? - Cross Validated What do you mean by "the derivative at 1 SD is +- 1"? Derivative of what? If you mean of a density plot, then what distribution? The normal? Different distributions will have different derivatives at 1 SD from the mean