Decision Trees MCQs

By: Prof. Dr. Fazal Rehman | Last updated: May 14, 2025

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1. : What is the primary purpose of using decision trees in data mining?



2. : In a decision tree, what does each internal node represent?



3. : What is the criterion used to split nodes in a decision tree?



4. : Which of the following is NOT a common algorithm used for building decision trees?



5. : What does the term “pruning” refer to in the context of decision trees?



6. : In decision tree terminology, what is a “leaf node”?



7. : What does the “Gini index” measure in decision trees?



8. : In the context of decision trees, what is “overfitting”?



9. : Which of the following is an advantage of using decision trees?



10. : Which of the following is a disadvantage of decision trees?



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