Post Stratified Sampling Method Based on"Three New"Economic Dynamic Population
"Three new enterprises"are an important part of new economic enterprises.Scientifically sampling and inferring the scale and level of"three new enterprises"is conducive to accurately and timely grasp the current situation of new economic development.The sampling survey of"three new enterprises"is also the main concern of the current field of economic statistics.Based on the fact that the permanent sampling frame can not reflect the frequent changes of the population size and stratification structure in the sampling survey of"three new enterprises",this paper designs a composite sampling method based on the post-stratification of the dynamic population.Through multiple continuous sampling,it realizes the estimation of the population size change,the correction of the dynamic sampling frame and the post-stratification processing.Then,according to the multisampling technology,it designs a composite estimator based on the relevant parameters of the dynamic population,And in this article,sampling error is defined by theoretic derivation.the sampling error.The laboratory results show that the composite sampling method based on dynamic population post-stratification can effectively estimate the object variables,and according to this method,the estimator of population parameters is unbiased and efficient estimator.
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