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楼主: 一眼瞬间
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3296
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[学科前沿] 关于样本大小 |
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讲师 50%
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回帖推荐zhengwenjing 发表于3楼 查看完整内容 从统计学的意义上来看,30个作为大样本,你每年都有200多个,已经不少了哈
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自助者,天助之!
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成功无捷径,多摸石头多过河!
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It was the best of times, it was the worst of times.
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It was the best of times, it was the worst of times.
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