提高汽车运输抽样调查精度的途径与方法

The Method and Path of Improving Precision in the Automobile Transport Sample Investigation

本文结合交通部“汽车运输抽样调查方案”在全国的执行情况，运用抽样理论和技术方法对最优分层法、最优样本分配、抽样误差分解、对总体估计量科学评价等问题进行了详细地分析和研究，提出了提高汽车运输抽样调查精度的途径。

Conbined with the performance of national automobile transport sample investigation in China, the author discusses and puts forward the methods for improving the precision of automobile transport sample investigation.