EVALUATION OF THE HUMAN DEVELOPMENT INDEX (HDI) USING THE METHODS OF SAMPLE THEORY
Sažetak
Cilj ovog rada je da se utvrdi koji od dva plana uzorkovanja daje tačniju procenu srednje vrednosti nekog obeležja - jednostavan slučajni uzorak bez zamene ili stratifikovani uzorak. Predmet ovog istraživanja je indeks humanog razvoja u 2018. godini. Analizom je obuhvaćeno 189 zemalja sveta, razvrstanih u posebne kategorije prema klasifikaciji razvoja Ujedinjenih nacija. Rezultati istraživanja pokazali su da se tačnija procena srednje vrednosti indeksa humanog razvoja dobija primenom stratifikovanog uzorka budući da je srednja vrednost indeksa humanog razvoja bliska srednjoj vrednosti populacije. Takođe, varijansa srednje vrednosti uzorka je niža od vrednosti dobijene primenom jednostavnog slučajnog uzorkovanja bez zamene. Stoga je bilo opravdano pristupiti stratifikaciji, što ukazuje da u slučaju sprovođenja istraživanja treba razmotriti korištenje stratifikovanog uzorkovanja budući da ono daje precizniju procenu srednje vrednosti.
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