Daten Interview Questions

Data Scientist

Interviewed at Zenefits

3.8★

Dec 17, 2016

Alice and Bob take turns in rolling a fair dice. Whoever gets "6" first wins the game. Alice starts the game. What are the chances that Alice wins.

Data Scientist

Interviewed at Yammer

3.9★

Apr 6, 2013

You are compiling a report for user content uploaded every month and notice a spike in uploads in October. In particular, a spike in picture uploads. What might you think is the cause of this, and how would you test it?

Data Scientist

Interviewed at Clarivate

3.5★

Mar 8, 2022

Last round is still left

Data Scientist

Interviewed at Integral Federal

3.5★

Jan 22, 2020

What is your favorite formula?

Data Scientist

Interviewed at LinkedIn

3.8★

Feb 15, 2012

find out k most frequent numbers from incoming stream of numbers one the fly.

Data Scientist

Interviewed at Wayfair

3★

Sep 9, 2016

Mostly case based questions intended to see my ability to reason through the problems the team was facing at the time of my interview. Also some more technical coding questions.

Data Scientist

Interviewed at Meta

3.6★

Apr 17, 2020

Statistical theory, case question

Data Scientist

Interviewed at Meta

3.6★

Sep 18, 2017

What would be your approach to check if the overall acceptance rate has decreased from 60% in may'17 to 30% in sep'17

Data Scientist Infrastructure

Interviewed at Meta

3.6★

Feb 13, 2018

Q1. SQL Given tables: employees(id, unixname,team,role,days_since_started) projects(id,name,....) commits(id,file_path,proj_id,auth_id,timestamp) Find the number of unique employees per project per month? Q2. Imagine you have a CSV file: john_doe,android,ios,infra bob_law,is,backend jane_doe,frontend ------------------------------ Containing,for each employee, a list of projects he/she works on Write a script/function/else that reads data from CSV file and creates a data structure that stores, for each project, a list of employees who work on it.

Data Scientist

Interviewed at Meta

3.6★

Feb 13, 2016

It's a phone interview about technical question. About how to generate all possible friendship given four tables with the "request", "accept","reject", and "remove" information.