The R² Can Only Increase When Extra Explanatory Variables Are

question 11

True/False

The R² can only increase when extra explanatory variables are added to a multiple regression model.

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Definitions:

Electroencephalograph

A device used to record the electrical activity of the brain, often employed in the diagnosis and monitoring of neurological conditions.

Electrocardiograph

A medical device used to record the electrical activity of the heart over a period, useful for diagnosing heart conditions.

Anesthesia Awareness

A rare condition where a patient becomes conscious during surgery but is unable to move or communicate.

Surgery

A medical procedure involving the cutting of a body, either for diagnosis, treatment, or repair of internal organs and tissues.