On The Effect of Stratification When Two Independent Stratifying Variables Are Used

Section: Article
Published
Jun 25, 2025
Pages
133-149

Abstract

In this paper, we study the effect of using two independent stratifyingvariables on the approximate value of the variance of the stratified samplemean obtained by Al-Kassab and Al-Elemat [1]. Ten special cases areobtained and a comparison between these special cases is given using fourprobability distributions.

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M Al-Kaasab, M., & Al-Emat, A. (2025). On The Effect of Stratification When Two Independent Stratifying Variables Are Used. IRAQI JOURNAL OF STATISTICAL SCIENCES, 13(3), 133–149. Retrieved from https://rjps.uomosul.edu.iq/index.php/stats/article/view/20878