TY - JOUR T1 - Chlapci sa rodia častejšie ako dievčatá A1 - Vrábelová, Marta JA - Obzory matematiky, fyziky a informatiky Y1 - 2009 VL - 38 IS - 4 SP - 1 EP - 10 SN - 1335-4981 N2 - The aim of this paper is to make clear notions of hypothesis testing, to explain the notion of p-value and notions connected with the testing, as the random choice, the sample, the distribution, the expectation and so on, at high school level. ER -