Ramachandran, Geetha; Rao, T. J. Allocation to strata and relative efficiencies of stratified and unstratified \(\pi PS\) sampling schemes. (English) Zbl 0287.62007 J. R. Stat. Soc., Ser. B 36, 292-298 (1974). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 2 Documents MSC: 62D05 Sampling theory, sample surveys PDF BibTeX XML Cite \textit{G. Ramachandran} and \textit{T. J. Rao}, J. R. Stat. Soc., Ser. B 36, 292--298 (1974; Zbl 0287.62007)