Dura, Codruţa; Drigă, Imola; Niţă, Dorina - In: Annals of the University of Petrosani, Economics 10 (2010) 2, pp. 111-124
The sample represents a particular segment of the statistical population chosen to represent it as a whole. The representativeness of the sample determines the accuracy for estimations made on the basis of calculating the research indicators and the inferential statistics. The method of random...