Glossary: Statistical Inference and A/B Testing
Degrees of freedom
Also written: df
A number that sets the exact shape of a t or chi-square distribution. For one mean it is n − 1, and for a chi-square table (rows − 1) × (columns − 1).
Glossary: Statistical Inference and A/B Testing
Also written: df
A number that sets the exact shape of a t or chi-square distribution. For one mean it is n − 1, and for a chi-square table (rows − 1) × (columns − 1).