How would you test if survey responses were filled at random by certain individuals, as opposed to truthful selections?
Sr Data Scientist Interview Questions
3,373 sr data scientist interview questions shared by candidates
How would you build and test a metric to compare two user's ranked lists of movie/tv show preferences?
Given a list, create a new list that does not include the duplicates of the original list.
If you can build a perfect (100% accuracy) classification model to predict some customer behavior, what will be the problem in application?
Technical case interview which is a mix of modelling skills + classical case interview structure
Imagine you have N pieces of rope in a bucket. You reach in and grab one end-piece, then reach in and grab another end-piece, and tie those two together. What is the expected value of the number of loops in the bucket?
You have a bucket full of gems of 3 colors (i.e. Red, Green, Blue). Each color is > 1 gem. What is the minimum number of gems you would have to take to always ensure that you have 2 of the same color? What if I had n colors?
Given a list, create a new list that does not include duplicate values of the original list.
Do you like beer or wine more?
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