Sampling Methods Applied to Estimating Numbers of Commercial Orchards in a Commercial Peach Area
商业桃产区果园数量估计的抽样方法
This paper presents the results of a study with two main objectives: (1) to investigate an extension of some principles recently developed in the theory of cluster sampling, and (2) to determine the efficiency of sample segments containing specified numbers of farms, as indicated by highway maps, for estimating numbers of commercial orchards in a commercial peach area.