Please use this identifier to cite or link to this item: https://hdl.handle.net/10419/144782 
Year of Publication: 
2014
Citation: 
[Journal:] CBN Journal of Applied Statistics [ISSN:] 2476-8472 [Volume:] 05 [Issue:] 1 [Publisher:] The Central Bank of Nigeria [Place:] Abuja [Year:] 2014 [Pages:] 1-14
Publisher: 
The Central Bank of Nigeria, Abuja
Abstract: 
Most estimators in probability proportional to size (PPS) with replacement (WR) sampling design are defined for positively correlated variables. The literature on estimators involving negatively correlated variates is underdeveloped. This study utilized the law of inverse proportion to derive selection probabilities to modify the Hansen-Hurwitz's estimator for use when negatively correlated variables are encountered in surveys. The suggested estimator is unbiased and could perform better than other estimators when information conveyed by correlation coefficient is used.
Subjects: 
Negative correlation
multi-character survey
inverse transformation
PPS
Document Type: 
Article

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