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目前,我省水利统计工作是用全面调查统计报表的方法,这种方法由于填报单位多、涉及面宽,误差往往比较大。而抽样调查是一种使用得很普遍的非全面调查法,即调查总体中的一部分,用这部分的数值为代表去推断总体的指标数值。因此,抽样调查包括原始资料的收集、整理和推算。根据水电部的布置,江苏省水利厅组织了全省11个市局的同志,邀请了河南、山东、上海等省市的代表,南京农业大学农经系部分师生70人,用了16天时间,对无锡市三县
At present, water conservancy statistics work in our province is a comprehensive survey of statistical reports, this method due to multiple reporting units, involving wide, the error is often relatively large. The sample survey is a commonly used non-comprehensive survey method, that part of the survey population, with the value of this part of the representative to infer the overall index value. Therefore, the sample survey includes the collection, collation and calculation of the original data. According to the layout of the Ministry of Electricity and Water, Jiangsu Provincial Department of Water Resources has organized comrades in 11 municipalities throughout the province, invited representatives from Henan, Shandong, Shanghai and other provinces and cities and 70 teachers and students from the Agricultural and Economic System Department of Nanjing Agricultural University. Time, three counties in Wuxi City