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Which method evaluates a model on multiple data splits to reduce variance in estimates?
  1. k-fold cross-validation
  2. Single holdout only
  3. Manual guessing
  4. No validation
Explanation

 k-fold cross-validation averages performance over k splits for reliable estimates.

Related MCQs

Which method evaluates a model on multiple data splits to reduce variance in estimates?
  1. k-fold cross-validation
  2. Single holdout only
  3. Manual guessing
  4. No validation
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