toiming, mida kasutatakse kas karakteristiku/suuruse väärtuse või nimiväärtuse ja väärtu(st)e piiri(de) identifitseerimiseks, operation used to identify either the value of a characteristic or its nominal value and its limit(s), teoreetiliseks mudeliks oleva jaotuse parameetritele väärtuste omistamine, lähtudes mõõtmisel saadud mõõdiste kogumist, operation of assigning, from the observations in a sample, numerical values to the parameters of a distribution chosen as the statistical model of the population from which this sample is taken, process of finding an estimate or approximation, which is a value that is usable for some purpose even if input data may be incomplete, uncertain, or unstable