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。

youdao

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。

youdao

But any detectable deviation from zero would mean that the laws of physics were different there (and then) from those that pertain in the neighbourhood of the Earth.

但任何偏离0的误差均意味着：此地此时的物理学定律与有关地球周边的物理学定律不同。

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The MSCI Emerging Markets Index is only about a half of a standard deviation from its mean over the same time frame.

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