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Describe a time when you had to analyze a lot of data. What insights did you gain from that?

Are there any things that you do that make you stand out?

Have you ever received difficult feedback? If so, how did you react to it?

Please describe an occasion where you were asked to prove yourself in public.

Suppose you have two tables, one of which has duplicate values. How would you join these tables?

How do you determine the sample size for an A/B test, and what factors do you consider? How do you interpret the results of an A/B test, and what factors do you consider when deciding whether to implement the changes?

I would like to hear about a time you had to change your working style.

How do you use of varying styles of communication to be effective?

How do you address multicollinearity in regression models?

In what way would you approach flattening a nested array in JavaScript? Show your implementation.