Agarwal, Satish Kumar Alternative estimator for multiple characteristics. (English) Zbl 1173.62305 Int. J. Appl. Math. 1, No. 7, 701-709 (1999). MSC: 62F10 Point estimation 62D05 Sampling theory, sample surveys PDF BibTeX XML Cite \textit{S. K. Agarwal}, Int. J. Appl. Math. 1, No. 7, 701--709 (1999; Zbl 1173.62305)