统计学是研究大量社会经济现象数量方面的方法论的科学，统计学既有一般科学的共性，又具有自身的个性。就其研究方法而言，其理论体系和方法体系都具有辩证统一的二维思想。因此，我们在实际工作和统计研究中，应根据统计本身的特点，在辩证思维中认识、掌握统计理论。一... Statistics is a science of methodology that studies the number of socio-economic phenomena in large numbers. Statistics, as a general science in general science, has its own personality. In terms of its research methods, both its theoretical system and methodology have dialectical and unified two-dimensional ideas. Therefore, in actual work and statistical research, we should understand and master statistical theory in dialectical thinking based on the characteristics of the statistics itself. one...