Abstract
1 Silesian University of Technology, Faculty of Mining and Geology, Gliwice Poland, zygmunt.korban@polsl.pl Abstract: This article discusses the results of audit examinations of the health and safety management system performed in the years 2007 2012 on a group of the MSz I shaft department supervisory employees at the “Jan” Coal Mine. The linear trend function was used for description of changes in rating indices the evaluation of goodness of fi t between the theoretical data of the trend function and the set of empirical data was made and the seasonal fl uctuations were distinguished.
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