Welch test
preferred label: آزمون ولچ @fa
type: Concept
related: Welch–Satterthwaite equation

Welch–Satterthwaite equation
related: Welch test
related: probability distribution
related: degree of freedom
broader: statistical approximation
preferred label: معادله ولچ-ساتروتوییت @fa
type: Concept

probability distribution
preferred label: توزیع احتمال @fa
type: Concept
related: Welch–Satterthwaite equation

degree of freedom
preferred label: درجه آزادی @fa
type: Concept
related: Welch–Satterthwaite equation

statistical approximation
preferred label: تقریب آماری @fa
type: Concept
narrower: Welch–Satterthwaite equation