摘要
针对现行抽样中存在的问题,对形成抽样误差的原因进行了分析,导出了随机抽样的样本大小公式,并对其应用情况进行了较为详细的论述。
Based on the problems in present sampling,the authors analyse the reasons for sampling ertor.Thefefore,the formular for determining the nurnber of randonm samples is obtained and itsapplication is expounded in dctails.
出处
《山东师范大学学报(自然科学版)》
CAS
1995年第1期24-26,共3页
Journal of Shandong Normal University(Natural Science)
关键词
抽样
抽样误差
样本
随机抽样
sampling
sampling error
the number of samples