为了调查某校学生的购书费用支出,从全校抽取4个班级的学生进行调查,这种调查方法是
A.系统随机抽样
B.简单随机抽样
C.分层抽样
D.整群抽样
正确答案是D
扫描二维码免费使用微信小程序搜题/刷题/查看解析。
版权声明:本文由翰林刷题小程序授权发布,如需转载请注明出处。
本文链接:https://doc.20230611.cn/post/923142.html
上一篇:下列方法可以减少抽样误差的是()
下一篇:Read the following paragraph and underline the topic sentence. The very act of stepping outside of your comfort zone is critical to your success. Our brains are wired so that it’s difficult to take action until we feel at least some stress and disco