JOS

Abstract
Journal of Official Statistics, Vol.3, No.1, 1987. pp. 6981

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Strategies for Collapsing Strata for Variance Estimation

Abstract:
The collapsed strata variance estimator is frequently used with sample designs in which one primary sampling unit is selected per stratum. The bias and precision of this variance estimator depend upon the way in which strata are collapsed. This paper examines the effects of collapsing strata in pairs, triples, and larger groups on the quality of the variance estimator. The effects of the bias and precision of the variance estimator on the inference for the parameter of interest are considered.

Keywords:
Collapsed strata technique; variance estimation; mean square error.

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