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  • #面试经验
  • #数科面经
  • #分析|数据科学类
  • #spotify

Data scientist @ Spotify

chuendes
7123
18
It lasted 65 mins. First, gave an introduction of your projects you have worked on, then came to the following questions.

Q1. Each user has a log file containing the songs he/she played. How to recommend songs/singers to him/her.

Q2. Given a control and test, each of them you can get a 95% confidence interval about some variable. When these two intervals have an overlap, how to check the signifance.

Q3. Given n people, what's the probability that at least 2 people have the same birthday.

Q4. Given an array,
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Q5. Given a sorted array and a target number, find the insertion index.

Q6. Given srteaming numbers, how to randomly choose 100 elements.
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