出版社：Dep. of Statistical Sciences "Paolo Fortunati", Università di Bologna
摘要：The paper attempts to study the problem of estimating the average fish catch from inland water resources. Alternative estimators of average fish catch on the basis of per pond and per unit area are considered. These estimators make use of auxiliary information on area of water unit, fish catch in the first round/phase of the survey, number of ponds etc.. An illustrative study, based on fish catch data taken from an actual survey,is also included.
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