In Multiple Regression, the R² Increases Whenever a Regressor Is

question 65

Multiple Choice

In multiple regression, the R² increases whenever a regressor is

• A)added unless the coefficient on the added regressor is exactly zero.
• B)added.
• C)added unless there is heterosckedasticity.
• D)greater than 1.96 in absolute value.

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Definitions:

Brain Stem

The most inferior part of the brain, connecting the cerebrum with the spinal cord and controlling fundamental life-sustaining functions like breathing and heart rate.

Medulla

The inner region of an organ or the medulla oblongata, a part of the brainstem involved in autonomic functions.

Pons

A part of the brain stem that links the medulla oblongata and the thalamus, involved in regulating breathing and other functions.

Corpus Callosum

A large band of nerve fibers connecting the two hemispheres of the brain, facilitating communication between them.