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如何分析样本误差并推断总体误差
更新时间: 2020-09-16 00:00:00  

样本误差指把调查结果作为总体而导致的误差,可以通过调查样本量减小样本误差,非样本误差是与抽样方法无关的误差,即认为误差,所以减少调查人员的失误,提高调查的准确性等可以减小非样本误差。

关键词: 如何 分析 样本 误差 推断 总体

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