A Class of Estimators for Population Variance in Two Occasion Rotation Patterns
분야
자연과학 > 통계학
저자
( G N Singh ) , ( Priyanka ) , ( Shakti Prasad ) , ( Sarjinder Singh ) , ( Jong Min Kim )
발행기관
한국통계학회
간행물정보
CSAM(Communications for Statistical Applications and Methods) 2013년, 제20권 제4호, 247~257페이지(총11페이지)
파일형식
02706315.pdf [무료 PDF 뷰어 다운로드]
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    영문초록
    A variety of practical problems can be addressed in the framework of rotation (successive) sampling. The present work presents a sample rotation pattern where sampling units are drawn on two successive occasions. The problem of estimation of population variance on current (second) occasion in two - occasion successive (rotation) sampling has been considered. A class of estimators has been proposed for population variance that includes many estimators as a particular case. Asymptotic properties of the proposed class of estimators are discussed. The proposed class of estimators is compared with the sample variance estimator when there is no matching from the previous occasion. Optimum replacement policy is discussed. Results are supported with the empirical means of comparison.
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