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系统抽样方法的步骤
更新时间: 2021-01-25 18:26:34  

1、先将总体的N个个体编号。有时可直接利用个体自身所带的号码,如学号、准考证号、门牌号等;

2、确定分段间隔K对编号进行分段,当N/n(n是样本容量)是整数时,取K=N/n;

3、在第一段用简单随机抽样确定第一个个体编号L

关键词: 系统 抽样 方法 步骤

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