Anghelache, Constantin; Vintila, Georgeta; Dumbrava, … - In: Theoretical and Applied Economics 10(505) (2006) 10(505), pp. 41-44
There are two major types of data sources that can be used when a phenomenon or a variable is investigated: the population and the sample. Based upon the sample, various facts concerning the entire population can be deduced; this process is called statistical inference. A major problem of the...