Select all of the answers below that are TRUE.

What does the AUC (Area Under the ROC Curve) represent in classification?

What is a key advantage of using k-fold cross-validation over a simple train-test split?

Which of the following is a key advantage of Elastic Net over LASSO?

Which of the following is NOT a regularization method?

In the lectures, why does Professor Serban perform variable selection using statistical significance in multiple regression?

Which of the following is NOT a reason for performing variable selection in regression analysis?

You suspect there is high correlation among your predictors. You should …

Which of the following is NOT a common performance metric used in model comparison?

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