In the world of Machine Learning, Artificial Intelligence, and Big Data, Data Science jobs have been becoming increasingly popular. Companies across all industries in the world are looking for data scientists for leveraging huge amounts of data for improving their methods of building customer-centric products and providing services to customers. However, not all companies know how to assess candidates for this role and much about data science interview questions.
The role of data scientists in a company is crucial for the growth of the company as well as for it to thrive in this fast economy. Hence, hiring a data scientist must be done perfectly with no mistakes. During interviews, it is important to give the candidates a chance to showcase their skills and abilities. The questions asked must properly test their knowledge of data science and let the interviewers know if they would be a good fit for the company.
Top 20 Data Science Interview Questions to Ask During a Data Science Job Interview
1.What made you choose data science?
2.What are the usual responsibilities of a data scientist?
3.What common problems do data scientists usually face? How to overcome them?
4.What is logistic regression?
5.What are the biases that can occur during sampling?
6.How would you make a decision tree?
7.What are the disadvantages of using a linear model?
8.What libraries are used in Python for data analysis and scientific computations?
9.Why do we conduct A/B testing?
10.Differentiate between the mean value and expected value.
11.What are the steps involved in a data analysis project?
12.Tell us about your take on artificial neural networks.
13.How would you solve the problem of missing values in a dataset?
14.What steps would you take to maintain a deployed model?
15.“People who bought this also bought..” What algorithm is used here?
16.Briefly describe recommender systems.
17.Describe cross-validation.
18.How often would you update an algorithm?
19.What do you mean by deep learning?
20.How important are statistics in data science?
