Publication: Memory type ratio and product estimators under ranked-based sampling schemes
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Date
2023
Journal Title
Communications in Statistics - Theory and Methods
Journal ISSN
Volume Title
Publisher
Taylor and Francis Ltd.
Abstract
The exponential weighted moving average (EWMA) statistic is utilized the past information along with the present to enhance the efficiency of the estimators used for estimating the population parameters. In this study, the EWMA statistic is used for the estimation of population mean with suitable auxiliary information. The memory type ratio and product estimators are proposed under ranked-based sampling (RBS) schemes including extreme ranked set sampling, median ranked set sampling, and quartile ranked set sampling. The expressions of mean square errors (MSE) of the proposed estimators are derived. An extensive simulation study is conducted to evaluate the performance of the proposed estimators. An empirical study is presented based on real-life data that supports the findings of the simulation study. � 2021 Taylor & Francis Group, LLC.
Description
Keywords
EWMA, product estimator, ranked set sampling, ratio estimator