Estimating the variance in two-phase sampling for stratification. Show that (12.7) is an approximately unbiased estimator of

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Estimating the variance in two-phase sampling for stratification. Show that (12.7) is an approximately unbiased estimator of V á¹«(2)ystr in large samples.

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Sampling Design and Analysis

ISBN: 978-0495105275

2nd edition

Authors: Sharon L. Lohr

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Question Posted: Nov 27, 2015 01:57 AM

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Estimating the variance in two-phase sampling for stratification. Show that (12.7) is an approximately unbiased estimator of

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5?-ΊΣΟΝ,-is: + ΣΝ.@w-yup h-1

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Conditioning on the phase I units Now And The last equality fo...View the full answer

Sampling Design and Analysis

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