Most asked top Interview Questions and Answers & Online Test
Education platform for interview prep, online tests, tutorials, and live practice

Build skills with focused learning paths, mock tests, and interview-ready content.

WithoutBook brings subject-wise interview questions, online practice tests, tutorials, and comparison guides into one responsive learning workspace.

Prepare Interview

Machine Learning Interview Questions and Answers

Question: What is gradient boosting, and how does it work?
Answer: Gradient boosting is an ensemble learning technique that builds a series of weak learners, typically decision trees, in a sequential manner. Each new learner corrects the errors of the previous ones, producing a strong, accurate model.

Save For Revision

Bookmark this item, mark it difficult, or place it in a revision set.

Open My Learning Library
Is it helpful? Yes No

Most helpful rated by users:

Copyright © 2026, WithoutBook.