为了适应统计调查体系改革的需要，我国的统计工作已开始引入一些数理统计的方法。但是，由于受统计人员知识水平的限制，这些数理统计方法的应用无论在深度上还是在广度上还有待于进一步提高。本文将介绍近年来我们在这方面的一些探索工作。一、在抽样调查中运用聚类分析的方 In order to meet the needs of the reform of the statistical survey system, statistical work in China has begun to introduce some methods of mathematical statistics. However, due to the limited knowledge of statisticians, the application of these mathematical statistics methods needs to be further improved both in depth and breadth. This article will introduce some of our exploration work in this area in recent years. I. The use of cluster analysis in sample surveys