However, for symmetrical, bell shaped distribution, we can be more precise in explaining the dispersion about the mean.
然而，为对称的钟形分布，我们可以更精确地解释有关平均值的分散。
However, for symmetrical, bell shaped distribution, we can be more precise in explaining the dispersion about the mean.
然而，为对称的钟形分布，我们可以更精确地解释有关平均值的分散。
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