Differences between type one error and type two error. How to handle missing value. What metrics to choose. Hyperparameters in XGB.
Data Associate Interview Questions
2,707 data associate interview questions shared by candidates
Solve 4 SQL queries in 45 minutes What’s you’re experience with databases? Rate your Python and sql skills out of 10.
1. Tell me about yourself. 2. How will you make a decision data-driven? 3. If you foresee a problem, how will you prioritize tasks to solve the problem? 4. Tell me about a time you failed to manage a project. 5. Share a challenge you have met. 6. Share your experience handling messy data. 7. Tell me about a time you are unmotivated, and how do you go on? 8. What's your favorite book? And what's the one you dislike? 9. Tell me about a project you wish to do better and what you will do differently now. 10. Tell me about a time the stakeholders asked for more requests and what did you do to meet deadlines. 11. Tell me about your experience handling conflicted data when making recommendations. 12. How do you explain technical concepts to non-technical people?
explain project in detail? Discussion on work experience? explain decision tree and ensemble learning in detail
Case study topic was data governance
What do you like about programming?
No interview happened as they ghosted me
Initial Codesignal assessment: 14 MCQs and 1 SQL query question. Mini-case interview: A rideshare company wants to expand into a new canadian city XYZ, how would you assess the feasibility? Then I was given some data to assess if the company is profitable? Do the numbers make sense? You realized that insurance is higher than anticipated, what is the contribution margin now? What is your final conclusion? Technical Fit: They give you a schema (1 - 3 tables) and ask you to write queries for: 1) • Tell us• how much • Cash• payments• (total•$) •we • receive each day? 2) • Identify all customers who have more payments • ($) • in cash • than they have electronically? 3) • Identify all customers who have made • over $10,000• in cash • payments during any two day period.
ML statistics, modeling, business aspects
Tell me about a time when you used logic to solve a data analysis problem
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