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遵循分层二重目录抽样原理的方法,设计A、B、C三级一套样本,制定工业抽样调查方案,从1998年上半年起,在全省范围实施。 (一)调查设计的技术要求 1.为满足省、市(地)、县(市、区)三级分层次决策和经济管理的需要,设计A、B、C三级一套样本,并使三级样本兼容,以减少县级的基层调查工作量;遵循分层二重目录抽样原理和方法,计算抽样误差和总体平均数的估计量,检验各级样本的代表性,用A、B、C三级样本
Following the method of stratified double catalog sampling principle, a set of three samples of A, B and C were designed and an industrial sampling survey plan was formulated. Since the first half of 1998, the project has been implemented in the whole province. (I) Technical Requirements for Survey Design 1. To meet the needs of three levels of decision-making and economic management at provincial, city (prefecture) and county (city, district) levels, a set of three samples of A, B and C were designed and made Three samples are compatible to reduce the amount of grassroots investigation at the county level. Follow the principle and method of stratified double catalog sampling to calculate the sampling error and the overall average of the estimates, test the representative of the samples at all levels, with A, B, C three samples