standard deviation
标准差
常用释义
英式发音
美式发音
基本释义
- 标准差：频率分布离散程度的一种度量，它是每个类别频率与频率分布的算术平均值之差的平方的平均值的平方根。
例句
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1·You can't think out a number to describe the twenty-five standard deviation event; it's just too large a number for any of us to comprehend.你无法想出一个数字来描述25个标准差事件；这个数字太大了，我们任何人都无法理解。
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2·The Six Sigma Black Belt should be able to compute the mean and standard deviation from a grouped frequency distribution.六西格玛黑带应该能够计算出一个分组发生频次分布数据的均值和标准偏差。
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3·What's the deal with standard deviation?标准偏差又是怎么回事呢？
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4·Especially if there is a small standard deviation.特别是当标准偏差值很小的情况。
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5·And you can calculate the standard deviation that way.你可以用这种方法计算标准偏差。
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6·So that's .16/100; so the standard deviation is .04.那就是0.16/100,所以标准差等于0.04
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7·If there's a large standard deviation it would be spread.如果标准偏差值很大，那么它就比较分散。
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8·How does the standard deviation quantify measurement scatter?标准偏差如何量化度量值漂移？
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9·The standard deviation is the square root of the variance.标准差是方差的平方根。
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10·From the measurements, compute the mean and standard deviation.根据度量值计算出平均值和标准偏差。