How do you estimate the minimum sample size for a statistically significant AB test?
Senior Data Analyst Interview Questions
2,914 senior data analyst interview questions shared by candidates
Tell us about the datasets you worked previously
There was a technical section that was basic excel and basic insurance calculations.
Are you comfortable with any programming languages? What experience do you have with them? Can you explain how you used it at your last job?
How would you reconcile data in two different tables/schemas using SQL?
What are the most expensive parts of operating a plane/running a flight? What is the number of tires in Frankfurt?
Tell me a time when you had an interpersonal challenge and what was the outcome.
explain the difference between window functions such as dense rank, rank and number rank,
How do you used AWS services in data analysis lifecycle?
First interview was pretty behavioral: What would you research at Rockstar if data weren't an issue? What's a time when you had to do XYZ or deal with ABC? What potential issues do you see with telemetry data? Final round was a mix of walking through your resume, projects, and case study type questions. You are about to launch an online AAA game, what KPIs are you following? One year after launch, what KPIs are you following? How would you increase monetization on your newly launched AAA game in a targeted way? What segment of the population do you target, how do you measure the success? There was a random question where the interviewer asked me to pull up a code editor - let's say there's a wheel in the casino that players can spin and the top prize happens 5% of the time; write a function that returns the likelihood of the player winning given some number of tries. How would you determine the impact of something like an Amazon Prime partnership on the user base? If we're launching some new content, what metrics would you want to collect that we're not already tracking? How would you conduct an AB test and how would you get buy-in from stakeholders and explain the results to them and why they're important?
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