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What's the coding process for a binary tree inversion in any language you choose?

How would you approach building a demand forecasting model for a ride-sharing service? What factors would you consider and what data sources would you use? Can you walk me through the steps you would take to develop and validate such a model?

What is your proposed technique for implementing time series anomaly detection in order to identify unusual activity on a server and notify users in real time?

What's the easiest way to explain regression analysis to a non-technical senior executive?

I want to hear about a time when you had to compromise

Can you describe a recent failure that has taught you something? In what way has it made you a better Data Scientist?

How did you make the decision to change jobs? What makes you feel that Coupang is a good next step?

Could you tell me about a time when you aided a colleague with his work?

How does the magnitude of correlation between two type predictors affect the regression coefficients and the confidence intervals in logistic regression?

Given a list of (date, duration) tuples, how would you filter by time period and calculate summary stats (average, rolling sum)?