Fix a piece of sh*t code that just request data and save it to MySql. Super easy and easy to fix so I don't know what is the point of the interview. Totally a sh*t experience.
Data Scientist Junior Interview Questions
33,936 data scientist junior interview questions shared by candidates
In my opinion the most challenge question is to ask you to determine whether the difference of mean values of two columns is significant or not?
How to build up a model to predict credit card fraud?
What was your prior responsibility
Product sense part 5 : (fraud case) You got the results - how do you know if 1% improvement is good or bad
What is a Z-test? When would you use a Z test over a T test?
Say the DS team came up with a spam detection algorithm, what metrics would you use to measure success?
How can we tell if two users on Instagram are best friends? (answer question) Ok, how can we use this algorithm in the product?
What is the difference between Z test and T test?
the probability of getting a pair, a straight in 52 cards
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