Valsts valodas centra izstrādātie transporta, infrastruktūras un sakaru termini

Konteksts: [..] ratio of the variance of the estimator in the given sample design by the variance of the estimator in an elementary sample design of the same size. The design factor is related to a given sample design and estimator [..]
Avots: Postal service - Quality of service - Measurement of the transit time of end-to end-services for single piece priority mail and first class mail