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On Stratified Bivariate Ranked Set Sampling with Optimal Allocation for Naive and Ratio Estimators

  • Georgia Southern University

Research output: Contribution to conferencePresentation

Abstract

The purpose of the current work is to introduce stratified bivariate ranked set sampling (SBVRSS) and investigate its performance for estimating the population means using naive and ratio methods. The properties of the proposed estimator are derived along with the optimal allocation with respect to stratification. We conduct a simulation study to demonstrate the relative efficiency of SBVRSS as compared to stratified bivariate simple random sampling (SBVSRS) for ratio estimation. Data that consist of weights and bilirubin levels in the blood of 120 babies used to illustrate the procedure on a real data set, with our results indicating that SBVRSS for ratio estimation is more efficient than using SBVSRS in all cases presented in the simulations

Original languageAmerican English
StatePublished - Mar 1 2015
EventEastern North American Region International Biometric Society Annual Conference (ENAR) -
Duration: Mar 15 2015 → …

Conference

ConferenceEastern North American Region International Biometric Society Annual Conference (ENAR)
Period03/15/15 → …

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

Disciplines

  • Biostatistics
  • Public Health

Keywords

  • Optimal allocation
  • Naive and ratio estimators
  • Stratified bivariate ranked set sampling
  • SBVRSS

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