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A note on estimating the variance of the sample mean in stratified sampling
Author(s) -
Dumouchel W. H.,
Rothman E.,
Govindarajulu Z.
Publication year - 1973
Publication title -
canadian journal of statistics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.804
H-Index - 51
eISSN - 1708-945X
pISSN - 0319-5724
DOI - 10.2307/3315006
Subject(s) - statistics , sample mean and sample covariance , variance (accounting) , estimator , stratified sampling , sample (material) , mathematics , sample variance , sampling (signal processing) , computer science , physics , economics , accounting , filter (signal processing) , computer vision , thermodynamics
Consider a sample of n observations such that a single observation is randomly drawn from each of n strata, each having mean u i and variance σ 2 i ( i=1 ,…, n ). Two estimators for the variance of the sample mean are proposed and their relative efficiency is examined.