Draw a clock. What is the degree difference between the hour and minute hand if the time is 3:15?
Data Interview Questions
132,990 data interview questions shared by candidates
How to reduce number of variables in Logistic regression and random forest?
The interviewer asked about random forest and how it works. When I said that each decision tree in the forest considers a random subset of features, he disrespectfully interrupted me and told me that I am wrong. Then he scolded me for giving the "wrong" answer.
If you're trying to predict the gender of your customers and you only have 100 data points, what are possible problems?
Everything was pretty straightforward, just read some BI interviews and make sure you can talk about your professional/student experience.
References?
How does Trivago make money?
There were 2 rounds of case interviews and 1 round for presentation of the Data Challenge that I passed before the 1:1 interview
Do you think that it is important to work as a team or as an individual?
The cases were difficult if i wouldn't have practiced,practice gave me confidence to ask the right questions,make sure you follow the instructions your recruiter gives you while you solve,you need to be interactive and prepare well,i did some calculation mistakes but the interviewers helped me correct that,the idea is to see how well you handle under pressure.
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