Why working at zalando? AB testing experience
Sr Data Analyst Interview Questions
2,956 sr data analyst interview questions shared by candidates
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Technical Round: Power BI theoretical and practical questions like PBI components, power query, power pivot, how to create calculate column and measure, explain about sumx, rolling avg, variables and their syntax, etc. SQL: theoretical and practical questions on window functions, joins, aggregates, etc.
1) Provide data analysis/ML ideas for a very messy dataset. 2) Provide business research for business unit economics in the city of your choice.
How do you manage your time?
normally involves a clever application of hashmaps and it is expected that you know how to work with it properly inside and out. While greedy problems are technically possible, DP (dynamic programming
On power day, 2 case study rounds where the interviewer will provide case details and ask series of questions about the problem and data (give accurate answers and reasoning for your answer). In Data challenge round you have to explain the process and idea behind how you solved the challenge, then you will have series of questions based on your approach and explanation (e.g. why PCA ?, difference in weights obtained in manual and PCA?). Last is behavioral round.
There was a bunch of coding interview questions on the panel list.
Tell me about a time that you had to have a difficult conversation with an employee and how it was resolved
Review previous work experience and skillset
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