Data Science Interview Questions Part-1

Top frequently asked data science interview questions and answers for fresher and experienced Data Scientist job role.

Data Science is an interdisciplinary field. It uses statistics, machine learning, databases, visualization, and programming. So in this first article, we are focusing on basic data science questions related to domain definitions. Let’s see frequently asked interview questions for Data Scientist and Data Analyst Role.

1. What is machine learning?

Machine learning is the science of getting computers to act without being explicitly programmed. The primary aim is to allow the computers to learn automatically without human intervention or assistance and adjust actions accordingly.

“Machine Learning is the field of study that gives computers the ability to learn without being explicitly programmed.” — Arthur Samuel

“A computer program is said to learn from experience E with respect to some task T and some performance measure P, if its performance on T, as measured by P, improves with experience E.” — Tom Mitchell

2. What is Statistics and Data Mining?

Statistics is a branch of mathematics dealing with the collection analysis interpretation and presentation of numerical data. Statistics is the discipline that concerns the collection, organization, displaying, analysis, interpretation, and presentation of data.