Welcome to your Uncovering the Top Machine Learning Quizzes 2024 (Part 3) This quiz has multiple choice questions and each has only one correct answer.
Total Questions : 25
To pass this quiz you need to score 80% or above.
Time Provided : 45 minutes
Today's Date : 14 October 2025
All the best!!
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1. In text classification using Naive Bayes, what is often used to represent the text data?
2. What is the primary goal of feature engineering in machine learning?
3. Naive Bayes is particularly well-suited for which of the following tasks?
4. How does the k-NN algorithm classify a new data point?
5. What is the main advantage of using weighted k-NN?
6. In the context of Naive Bayes, what does the term "naive" refer to?
7. In k-NN, what is the purpose of normalizing the feature values?
8. Which of the following is an advantage of Naive Bayes?
9. Why is scaling numerical features important in feature engineering?
10. Which of the following scenarios is Naive Bayes particularly well-suited for?
11. In Naive Bayes, how is the posterior probability calculated?
12. Which of the following is a common variant of the Naive Bayes algorithm for binary or categorical features?
13. What is one-hot encoding used for in feature engineering?
14. Which of the following scenarios is k-NN particularly well-suited for?
15. Which type of learning algorithm is Naive Bayes?
16. Which distance metric is commonly used in k-NN for continuous variables?
17. What is a major drawback of the k-NN algorithm when applied to large datasets?
18. What type of learning algorithm is k-NN?
19. Which of the following is a common technique for handling missing values in feature engineering? (Most common one, even though others are used)?
20. What is feature selection in feature engineering?
21. What is the fundamental assumption of the Naive Bayes classifier?
22. What happens if you choose a very large value of k in k-NN?
23. Which of the following distributions is commonly used in Naive Bayes for continuous features?
24. Which of the following is a disadvantage of k-NN?
25. What is binning used for in feature engineering?
