Data Scientist Interview Questions

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“You're about to get on a plane to Seattle. You want to know if you should bring an umbrella. You call 3 random friends of yours who live there and ask each independently if it's raining. Each of your…”

“Find the second largest element in a Binary Search Tree”

“Write a function that takes in two sorted lists and outputs a sorted list that is their union.”

“generating a sorted vector from two sorted vectors.”

“How do you know if one algorithm is better than other?”

“Give an hour long presentation on something you've done.”

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“You are compiling a report for user content uploaded every month and notice a spike in uploads in October. In particular, a spike in picture uploads. What might you think is the cause of this, and…”

“There are 25 horses. You can race any 5 of them at once, and all you get is the order they finished. How many races would you need to find the 3 fastest horses?”

“I signed an NDA, so I can't give much details, but one interviewer asked me a very open ended question that involved how I would create/design/implement a certain algorithm from start to end.”

“Are you comfortable with this level of pay cut?”

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