Yes I might have only made one or two , but structurally when I said here how many people did we sample in this population and what percentage of the population is that?
我可能只打了一两个，但是结构上当我说,有多少人我们在人群中当做样本,人群的百分比是什么？
Yes I might have only made one or two , but structurally when I said here how many people did we sample in this population and what percentage of the population is that?
我可能只打了一两个，但是结构上当我说,有多少人我们在人群中当做样本,人群的百分比是什么？
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