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Elon Muskk:
As a statistical expert with a deep understanding of data analysis, I can explain that the standard deviation is a measure of the amount of variation or dispersion in a set of values. When the standard deviation is greater than the mean, it suggests that the data points are more widely spread out from the mean, indicating a higher degree of variability. 标准差是衡量一组值中变化量或离散程度的指标。当标准差大于均值时，这表明数据点更广泛地分布在均值周围，表明变化程度更高。 read more >> -
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Summary of answers:
A smaller standard deviation indicates that more of the data is clustered about the mean. A larger one indicates the data are more spread out. ... In the first case, the standard deviation is greater than the mean. In the second case, it is smaller.read more >>
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