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Dive into the research topics where Wojciech Zieliński is active.

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Featured researches published by Wojciech Zieliński.


Communications in Statistics - Simulation and Computation | 2009

The Shortest Clopper–Pearson Confidence Interval for Binomial Probability

Wojciech Zieliński

The existence of the shortest confidence interval for binomial probability is shown. The method of obtaining such an interval is presented as well.


Folia Oeconomica Stetinensia | 2008

A Remark on the Interpretation of Pooling Results

Wojciech Zieliński

A Remark on the Interpretation of Pooling Results A multinomial distribution (-1, π1), (0, π2), (1, π3), π1 + π2 + π3 = 1 is observed. Suppose that n1 values -1, n2 values 0 and n3 values 1 (n = n1 + n2 + n3) were observed. The construction of the confidence region for the vector (π1, π2, π3) is given. Theoretical considerations are illustrated by an example of the results of a pool.


Metody Ilościowe w Badaniach Ekonomicznych / Szkoła Główna Gospodarstwa Wiejskiego | 2011

Comparison of Confidence Intervals for Fraction in Finite Populations

Wojciech Zieliński


Statistics in Transition | 2009

A Nonparametric Confidence Interval for At-Risk-Of-Poverty-Rate

Wojciech Zieliński


Applicationes Mathematicae | 2004

A procedure for ε-comparison of means of two normal distributions

Stanisław Jaworski; Wojciech Zieliński


Metody Ilościowe w Badaniach Ekonomicznych | 2018

SAMPLE ALLOCATION IN ESTIMATION OF PROPORTION IN A FINITE POPULATION DIVIDED INTO TWO STRATA: AN EXAMPLE OF APPLICATION

Dominik Sieradzki; Wojciech Zieliński


Applicationes Mathematicae | 2018

Confidence interval for the weighted sum of two binomial proportions

Wojciech Zieliński


Statistics in Transition. New Series | 2017

SAMPLE ALLOCATION IN ESTIMATION OF PROPORTION IN A FINITE POPULATION DIVIDED AMONG TWO STRATA

Dominik Sieradzki; Wojciech Zieliński


Applicationes Mathematicae | 2016

The shortest confidence interval for proportion in finite populations

Wojciech Zieliński


Metody Ilościowe w Badaniach Ekonomicznych / Szkoła Główna Gospodarstwa Wiejskiego | 2015

A Confidence Interval for Proportion in Finite Population Divided into Two Strata: a Numerical Study

Wojciech Zieliński

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Dominik Sieradzki

Warsaw University of Life Sciences

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