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简单地说,国家统计局公布的统计数据,都是通过各类统计调查得到的。 从调查方式来看,统计调查可以分为普查、抽样调查、重点调查、典型调查等。其中,抽样调查就是按照科学原则抽取一部分对象作为样本,并根据调查推断全部。多数统计数据是通过抽查得到的。 从执行调查的单位看,可以分为国家统计调查、部门统计调查和地
In short, the statistics released by the National Bureau of Statistics are obtained through various types of statistical surveys. From the perspective of survey methods, statistical surveys can be divided into general surveys, sample surveys, key surveys, and typical surveys. Among them, sample surveys are based on scientific principles to extract some of the objects as samples, and infer all based on the survey. Most statistics are obtained through spot checks. From the perspective of the entity performing the investigation, it can be divided into national statistical investigation, departmental statistical investigation and