Estimation of Variance of Normal Distribution using Ranked Set Sampling

Introduction     In some biological, environmental or ecological studies, there are situations in which obtaining exact measurements of sample units are much harder than ranking them in a set of small size without referring to their precise values. In these situations, ranked set sampling (RSS), pro...

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Bibliographic Details
Main Authors: Narges Mahdavimanesh, Nasrollah Iranpanah, Ehsan Zamanzadeh
Format: Article
Language:fas
Published: Kharazmi University 2019-08-01
Series:پژوهش‌های ریاضی
Subjects:
Online Access:http://mmr.khu.ac.ir/article-1-2593-en.html