The coefficient of determination R² for the third-order polynomial model is always larger than R² for the second-order polynomial model.

Name: The coefficient of determination R 2 for the third-order polynomial model is always larger than R 2 for the second-order polynomial model.
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Quizplus · Accepted Answer

The R² value can be higher for a third-order polynomial model, but it is not guaranteed to always be larger than that of a second-order polynomial model, as it depends on the data and how well each model fits it.

The Coefficient of Determination R2 for the Third-Order Polynomial Model

The Coefficient of Determination R² for the Third-Order Polynomial Model