Pier Francesco Perri

Author's books

Alcune considerazioni sull’efficienza degli stimatori rapporto-cum-prodotto digital

by Pier Francesco Perri

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Article

| STATISTICA & APPLICAZIONI - 2004 - 2

Year: 2004

In order to estimate the unknown mean of a study variable using two auxiliary variables, the efficiency of a modified version of the ratio-cum-product estimators is analysed when the sampling fraction is less then 0.5.

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Vita e Pensiero

Vita e Pensiero - Pubblicazioni dell'Università Cattolica del Sacro Cuore
Largo A. Gemelli, 1 - 20123 Milano
P.IVA IT02133120150 - R.E.A. 841916

Statistica & Applicazioni

Vita e Pensiero publisher

Libreria Vita e Pensiero

Università Cattolica del Sacro Cuore

Credits ∨

Planning and coordination: Paola di Giampaolo
In collaboration with Enrico Guida and Alice Villotta

Graphic design: Studio grafico architetto Andrea Musso

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Pier Francesco Perri

Author's books

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Vita e Pensiero

Statistica & Applicazioni

Vita e Pensiero publisher

Libreria Vita e Pensiero

Università Cattolica del Sacro Cuore

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