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Activity Number: 478
Type: Contributed
Date/Time: Wednesday, August 5, 2009 : 10:30 AM to 12:20 PM
Sponsor: Section on Survey Research Methods
Abstract - #304020
Title: An Application of Two-Way Stratification Procedure for Selection Under Three-Way Stratification
Author(s): Kadaba P. Srinath*+
Companies: Abt Associates Inc.
Address: 4550 Montgomery Avenue, Bethesda, MD, 20814,
Keywords: Proportional allocation ; Cell sample counts ; Conditional probability
Abstract:

Bryant, Hartley and Jessen (1960) have provided a method of selecting a sample under two-way stratification when the sample size is smaller than the number of strata. We consider the selection of a sample from a population with three variables of stratification when the sample size is smaller than the number of strata. It is required that the sample provide representation to each category of each stratification variable. An application of the two-way stratification procedure in two phases to identify strata from which samples are selected is presented. The estimation of population mean and its conditional variance are considered.

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