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On ratio estimate under probality proportional to size sampling

By: Material type: TextTextPublication details: Ludhiana PAU 1994Edition: Mathematics and StatisticsDescription: 39,3LSubject(s): DDC classification:
  • T 311.212 M30O
Summary: In the present thesis, the estimators like ratio, product and an improved PPS estimator of population mean are obtained in which sample information from the latest auxiliary variable along with the known auxiliary variable is used. Expressions for bias an
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In the present thesis, the estimators like ratio, product and an improved PPS estimator of population mean are obtained in which sample information from the latest auxiliary variable along with the known auxiliary variable is used. Expressions for bias an

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