What does the term "cross-validation" refer to in machine learning? - Data Science MCQs

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Q. What does the term "cross-validation" refer to in machine learning?

(A) A technique for assessing a model's performance on unseen data

(B) A method for finding optimal hyperparameters

(C) A type of ensemble learning method

(D) A way to preprocess data

Correct answer: Option(A)

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