Mathematics · Statistics
Which of the following statements are INCORRECT with reference to model validation? A. External validation is stronger than split-sample validation. B. Bootstrapping samples data without replacement. C. k-fold cross-validation is useful when sample size is small. D. Calibration means testing on independent data. Choose the correct option:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1A, B and C only
- 2A, C and D only
- 3B and D only✓
- 4A and C only
Correct answer
B and D only
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