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

      Singh, R.; Singh, H. P. (Institut d'Estadística de Catalunya, 1998)
      Article
      Accés obert
      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 ...
    • On some strategies using auxiliary information for estimating finite population mean 

      Sahoo, L.N.; Sahoo, J.; Ruiz Espejo, M. (Institut d'Estadística de Catalunya, 1998)
      Article
      Accés obert
      This paper presents an empirical investigation of the performance of five strategies for estimating the finite population mean using parameters such as mean or variance or both of an auxiliary variable. The criteria used ...