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Signifikansniveau
Signifikansniveau (α) er indenfor statistik sandsynligheden for at et resultat er fremkommet ved en tilfldighed.En mere teknisk formulering er, at tallet angiver risikoen ved at forkaste nulhypotesen og antage den alternative hypotese. Alts risikoen for at resultatet, der understtter den alternative hypotese, er fremkommet tilfldigt.
