要从某汽车厂生产的3005辆汽车中随机抽取100辆汽车进行测试,请选择

要从某汽车厂生产的3005辆汽车中随机抽取100辆汽车进行测试,请选择合适的抽样的方法并写出抽样过程.

答案

见解析


解析:

采用系统抽样的方法

  S1:把3005辆汽车随机编号;

  S2:从总体中随机剔除5辆(可用随机数表法)将剩下的3000辆车重新编号,

并平均分成100段;

  S3:从第一段001,002,003,,030中抽取一个数(可用简单随机抽样)作为起始值L;

  S4:将编号为L,30+L,60+L,,L+2070的个体作为样本。

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