一个总体中的1000个个体编号为0,1,2,…,999,并依次将其分为10个小组,组号为0,1,2,…,9,要用系统抽样

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  • 24,157,290,323,456,589,622,755,888,921

    {87,54,21,88,55,22,89,56,23,90}

    关键是“抽取的规则”①24,157,290,323,456,589,622,755,888,921,②“x+33k”的后两位数等于87,应讨论k=0,1,…,9.解方程即可:x取值:87,54,21,88,55,22,89,56,23,90.