TITLE:
A Note on the Precision of Stratified Systematic Sampling
AUTHORS:
Akeem O. Kareem, Isaac O. Oshungade, Gafar M. Oyeyemi
KEYWORDS:
Precision, Systematic Sampling, Stratified Systematic Sampling, Systematic Random Estimator
JOURNAL NAME:
Open Journal of Statistics,
Vol.5 No.2,
April
13,
2015
ABSTRACT: Conflicting views had greeted the use of systematic sampling for sample selection and estimation in stratified sampling in terms of the precision of the population mean base on the inherent characteristics of the population. These conflicting views were analyzed using Cochran data (1977, p. 211) [1]. When the population units are ordered, variance of systematic sampling for all possible systematic samples provides equal, non-negative and most precise estimates for all the variance functions considered i.e. , unlike when a single systematic sample is used and when variance of simple random sampling is used to estimate selected systematic samples.