One is to compare the sample mean and the sample variance.
当样本均值大于样本方差时，认为是服从二项分布；
The second question to ask is whether the sample is representative? See what I mean?
第二个要问的问题是，样本是否有代表性？明白我的意思吗？
The second question to ask is whether the sample is representative? See what I mean?
第二个要问的问题是，样本是否有代表性？明白我的意思吗？
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