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:

Predators

Organisms that hunt and eat other organisms for food.

Energy Conservation

Practices and strategies aimed at reducing the consumption of energy to preserve resources and reduce environmental impact.

REM Sleep

A stage of sleep characterized by rapid eye movements, more dreaming and bodily movement, and faster pulse and breathing.

Deep Sleep

A stage of sleep characterized by slow brain waves, reduced muscle activity, and minimal responsiveness to the environment, crucial for restorative processes.