That arises from inaccurate sampling frame, data clarification or verification methods, reporting or coding of data, and/or specifications. It may also arise from poorly designed survey questionnaires, improper sample allocation and selection procedures, and/or errors in estimation methodology.
riff (rÉªf) n. 1. an ostinato melodic phrase accompanying a soloist in jazz or rock music. 2. any variation or improvisation, as on an idea. v.i. 3. to perform a riff. [1930â35; perhaps alter. of refrain 2] riff Past participle: riffed Gerund: riffing
tnt - Computer Definition (1) (Transparent Network Transport) Services from the telephone companies and common carriers that provide Ethernet and Token Ring transmission over MANs and WANs. (2) An earlier name for a DOS extender program from Phar Lap Software that ran on top of DOS and allowed DOS applications to use various Win32 features, including memory allocation, DLLs and threads.