The effects of data input errors on subsequent statistical inference

Marcin Kozak, Wojtek Krzanowski, Izabela Cichocka and James Hartley

Journal of Applied Statistics, 2015, vol. 42, issue 9, 2030-2037

Abstract: Data input errors can potentially affect statistical inferences, but little research has been published to date on this topic. In the present paper, we report the effect of data input errors on the statistical inferences drawn about population parameters in an empirical study involving 280 students from two Polish universities, namely the Warsaw University of Life Sciences - SGGW and the University of Information Technology and Management in Rzeszow. We found that 28% of the students committed at least one data error. While some of these errors were small and did not have any real effect, a few of them had substantial effects on the statistical inferences drawn about the population parameters.

Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:taf:japsta:v:42:y:2015:i:9:p:2030-2037

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DOI: 10.1080/02664763.2015.1016410

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