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整群随机抽样

名词解释题
2022-03-15 17:15
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正确答案

是指以群为单位从较大的群总体中随机选择样本,被选群内所有成员都被包含在样本之中。它可以把一个个整体进行编号,然后用随机、机械或类型取样方法进行抽取。


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随机抽样的方式可分为简单随机抽样、等距抽样、()抽样、整群抽样和多阶段抽样等五种方法。
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抽样调查中常见方法有简单随机抽样、分层抽样、整群抽样、系统抽样。
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