keskivertainulosta
Keskivertainulosta is not a standard or widely recognized term in Finnish. It does not appear in major dictionaries or general reference sources, and there is no established definition in public or academic usage. The expression may represent a typographical error, a locally used neologism, or a domain-specific coinage that has not spread beyond a narrow context.
If the term is encountered in text, it is most plausible to interpret it as a compound
Because the exact meaning hinges on context, the safest approach is to examine surrounding sentences for clues
See also: keskimääräinen, keskiverto, tuloste, tulos, tuotanto.