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Multiple Choice Flashcards

Practice multiple choice certification questions for Certified Data Science Practitioner - CDSP and review the explanation after each answer.

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Review the keyed rationale after answering so the correct CertNexus service choice and each distractor stay connected.

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Flashcard Practice Certified Data Science Practitioner - CDSP Multiple Choice

A company sees unusually high lift in the top decile and later finds that a feature captured post-purchase behavior. What is the right conclusion?

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The lift result may be inflated by leakage and should be recomputed using prediction-time features The chart should be reported without mentioning the feature timing issue The feature should be kept because lift charts reward predictive variables The high lift proves the model is ready because top decile performance is strong

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