PARAMETRIC AND NONPARAMETRIC STATISTICAL METHODS – ESSENCE AND CONDITIONS FOR APPLICATION
KRASIMIR YANKOV YORDZHEV *
Faculty of Mathematics and Natural Sciences, South-West University “Neofit Rilski”, Blagoevgrad, Bulgaria
*Author to whom correspondence should be addressed.
Abstract
This present Mini Review Article is intended to acquaint skilled in the humanitarian field with the basic definitions in the field of statistics. The paper reveals the essence and the differences between the parametric and nonparametric statistical methods. Discussed are the conditions for their correct application. Drawn are trends for checking those conditions. We pay more attention to their interpretation in terms of non-mathematicians - psychologists and pedagogues.
Keywords: Parametric and nonparametric statistical methods, distribution of the data, level of measuring