IGNOU BECC 110 2025 2026 - Distinguish between R² and adjusted- R².

Question

Distinguish between R² and adjusted- R².

02 Mar 2026

Answer :

Word Count : 258

R², or the coefficient of determination, is a statistical measure that indicates the proportion of the variance in the dependent variable that is explained by the independent variables in a regression model. It ranges from 0 to 1, where a higher value signifies a better fit of the model to the data. R² is widely used because it gives a quick measure of explanatory power; however, it has a key limitation: it never decreases when additional explanatory variables are added, even if these

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