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M. Trojanová, S. Hrehová, L. Knapčíková, J. Husár

Technical University of Košice, Faculty of Manufacturing Technologies with the Seat in Prešov (SLOVAKIA)
Data are an integral part of every person's life, as they carry information about elements and processes. However, in the current world of technology, where information is available anytime, anywhere, and almost unlimited, it is necessary to be able to search for and select the most important things. If the approach to searching, collecting, processing, or interpreting data is an incorrect choice, the content of the data may be evaluated incorrectly. Learning the students to interpret data correctly is often difficult. But attract their attention is even more. If the analysis results are explained based on numerical values of statistical indicators, without the possibility of other interpretations, the motivation of the student and his attention will below. If it is shown to students, in addition to numbers, also graphic outputs, respectively, when he is learning to create these graphs in different programs, so his learning process is more effective, his motivation is greater, and the fixation of knowledge is longer. That is why this article describes a graphical possibility of analyzing the elementary statistical indicators of data that were measured from a system. The aim is to provide students (teachers and others) with guidance on how to use the possibilities of MATLAB in data analysis and interpretation and thus expand their knowledge and skills in working with this software.
keywords: matlab, analysis, data.