Which Statement Is True About Cross-Validation

question 54

Multiple Choice

Which statement is true about cross-validation.

• A)It can be used for evaluating the model for chance variations in the data and other problems associated with regression.
• B)It examines whether the regression model continues to hold on comparable data not used in the estimation.
• C)A special form of validation is called double cross-validation where the sample is split into halves.
• D)All of the above statements are true.

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Definitions:

Amygdala

A region of the brain's temporal lobe involved in experiencing emotions, such as fear and pleasure, and processing emotional memories.

Cerebral Cortex

The outer layer of the brain, involved in high-level functions such as thought, language, and consciousness.

Medulla

The inner region of an organ or tissue, especially the medulla oblongata, which is a part of the brainstem controlling vital body functions such as breathing and heart rate.

General Adaptation Syndrome

According to Hans Selye, a series of physiological reactions to stress occurring in three phases: alarm, resistance, and exhaustion.