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  1. 1 Metody Ilościowe w Badaniach Ekonomicznych

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  1. 1 Zieliński W.

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  1. 1 2011

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Comparison of confidence intervals for fraction in finite populations

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Zieliński W.
Metody Ilościowe w Badaniach Ekonomicznych
|
2011
|
vol. 12
|
issue 1
177-182
EN
Consider a finite population. Let qÎ(0,1) denotes the fraction of units with a given property. The problem is in interval estimation of q on the basis of a sample drawn due to the simple random sampling without replacement. In the paper three confidence intervals are compared: exact based on hypergeometric distribution and two other based on approximations to hypergeometric distribution: Binomial and Normal. It appeared that Binomial based confidence interval is too conservative while the Normal based one does not keep the prescribed confidence level.
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