How many high schools that people have listed on their profiles are real? How do we find out, and deploy at scale, a way of finding invalid schools?
Data Scientist Intern Interview Questions
33,876 data scientist intern interview questions shared by candidates
We have a product that is getting used differently by two different groups. What is your hypothesis about why and how would you go about testing it?
How to decline the type 2 error using a certain machine learning model.
Give a list of strings, find the mapping from 1-26 for each string that maximize the value for each string. No distingulish between capital letter and lower case, other characters do not count.
You have three fair coins. You repetitively flip all coins together. After each round you remove the coins that show tails. What is the expected number of rounds until you have no coins left to flip?
What are the assumptions for a linear regression?
what is standard error of the mean?
You observed two gambing machines for a period of time: one of them occasionally give rewards; the other one never give any rewards. Which one do you pick to play with?
Explain what random forests is
How many Big Mac does McDonald sell each year in US?
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