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How did you deal with the challenges you faced in a previous position where you had a lot of responsibility?

What would you like to gain from the position of Data Scientist at Amazon - what are some of your key goals?

How can we assess if a model is suffering from high bias or high variance?

When utilizing hypothesis testing, what are type I and type II errors, and which error would you say is more detrimental?

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

How would you design a recommendation system that tracks a user's music listening behavior and uses that data to suggest new songs or artists that they might enjoy? What features or characteristics would you use to model the user's listening history and how would you incorporate those into your recommendation algorithm?

Can you share an example of when you went the extra mile for a project?

Could you run me through the steps you follow when performing data analysis, from data acquisition to presenting your conclusions?

Tell me about a time when you failed at work.

I'd like to hear about a time when you failed at work.