Show that (6.28) and (6.29) are equivalent when an SRS of psus is selected as in Chapter

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Show that (6.28) and (6.29) are equivalent when an SRS of psus is selected as in Chapter 5. Are they equal if psus are selected with unequal probabilities?
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Sampling Design And Analysis

ISBN: 627

2nd Edition

Authors: Sharon L. Lohr

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