How would you explain to a skeptic that there was a correlation between 2 variables when you have showed them a scatter plot that has an obvious strong linear correlation between the 2 variables?
Data Scientist Interviews
Data Scientist Interview Questions
In a data scientist interview, expect employers to ask questions that assess your data modeling, problem-solving, and programming skills. Be prepared to answer general questions that test your knowledge of statistics and data science. You should also be ready to answer open-ended questions that test your creativity, communication skills, and formal education in data modeling and programming.
Top Data Scientist Interview Questions & How to Answer
Question 1
Question #1: Which data modeling techniques do you prefer and why?
How to answer
How to answer: Turning data into understandable and actionable information is a critical part of the data scientist's job. This question allows employers to understand your data modeling skills and background. List and discuss your preferred data modeling techniques, including benefits such as ease of use, flexibility, etc.
Question 2
Question #2: How would you detect bogus Instagram accounts used for scamming consumers?
How to answer
How to answer: Questions like this one allow an employer to test your problem-solving skills. When answering open-ended questions such as these, feel free to ask clarifying questions and use whiteboards to demonstrate your coding and diagramming skills. Share your thought process as you work through the problem.
Question 3
Question #3: Describe circumstances that require a list, tuple, or set in Python.
How to answer
How to answer: Interviewers will use questions such as this one to test your Python programming skills. Review Python basics such as lists, tuples, and sets before your interview. You should be able to explain when and how each tool is used by data scientists.
54,406 data scientist interview questions shared by candidates
Como você lidou com algum feedback? Como você se comporta no seu primeiro mês de empresa.
What is your current job profile like?
Predict a single observation of a 100 point Time Series.
Let's say you encounter an issue at work that where you don't know the best course of action, and you manager is not readily available. How would you respond to this situation?
Diff between tuple and list, diff between array and list, and some silly questions like these
HackerRank Data Scientist test: First question gave an option to code in R, while the other two didn't.
A technical data science case study and the other was a business case study.
Explain assumptions of linear regression
The HackerRank assessment consisted of 3 questions, with the 3rd split into two parts. They assessed: 1. Algorithms and code efficiency 2. Data wrangling and manipulation 3. Knowledge of Machine learning algorithms and theory
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