Posts

Showing posts from November, 2025

Top 20 Data Science Interview Questions and Answers for Beginners

Image
Entering the world of Data Science can feel overwhelming, especially when you're preparing for your first interview. Recruiters often test your understanding of basic concepts, problem-solving skills, and your ability to explain technical ideas clearly. To help you prepare with confidence, here are the top 20 Data Science interview questions and answers for beginners . 1. What is Data Science? Answer:  Data Science is an interdisciplinary field that uses statistics, programming, and domain expertise to extract meaningful insights from data. A good data science course covers data analysis, machine learning, and visualization tools to prepare you for real-world applications. 2. What are the key skills required to become a Data Scientist? Answer: Python or R Statistics & probability Machine learning basics Data wrangling and cleaning SQL Data visualization (Power BI, Tableau, Matplotlib, Seaborn) 3. What is the difference between structured and unstructured data? Answer: Structur...