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    • Almost unbiased ratio and product-type estimators in systematic sampling 

      Singh, R.; Singh, H. P. (Institut d'Estadística de Catalunya, 1998)
      Article
      Open Access
      In this paper we have suggested almost unbiased ratio-type and product-type estimators for estimating the population mean Y of the study variate y using information on an auxiliary variate x in systematic sampling. The ...