摘要
本文针对水运运输特点,通过对实际资料的分析和计算,对水运运输量的抽样方法作分析比较,提出利用PPS抽样进行我国水路运输量的抽样抽查。
In accordance with special characteristics of the water transport,this paper analyzes and compares the sample survey methods of the water transport volume by means of calculating actual data, and points out to survey the water transport volume through sampling with PPS.
出处
《数理统计与管理》
CSSCI
北大核心
1995年第2期26-30,共5页
Journal of Applied Statistics and Management
关键词
抽样调查
PPS抽样
水路运输量
中国
sample survey,sampling with PPS, survey of water transport volume