Data Science Educational Resources
StrataScratch is a data science educational platform with over 1,000+ real interview questions from your favorite companies.

Lyft Data Scientist Interview Question Walkthrough
A three step solution to an SQL question asked during an interview at the ride-hailing company.
Irakli Tchigladze -

Airbnb Data Scientist Interview Questions
This article will teach you how to solve one of the hard Airbnb data scientist interview questions.
Nathan Rosidi -

Facebook Data Scientist Probability Interview Questions
A comprehensive approach for solving a Facebook (Meta) Data Scientist probability interview question!
Nathan Rosidi -

Google SQL Interview Questions
Learn how to better formulate your approach to all Google SQL interview questions.
Irakli Tchigladze -

Data Literacy - 10 Things You Should Know
What is data literacy? What should you know to become data literate? We are about to answer these two questions that might be bugging you for a while.
Nathan Rosidi -

Find the Retention Rates – Salesforce SQL Interview Question
Retention rates are one of the key business metrics. We’ll show you how to calculate them by explaining in detail how to solve the Salesforce data science interview question.
Nathan Rosidi -

String and Array Functions in SQL for Data Science
Commonly used string and array functions in SQL Data Science Interviews.
Vivek Sankaran -

Concepts and Questions to Prep for Your Data Analyst Job Interview
The demand for Data Analysts is on the rise – market analysis shows that up to 85% of companies have adopted data analysis technologies.
Nathan Rosidi -

Spotify Data Science Interview Question Walkthrough
Earning the rank of number 10 in Fortune’s Future 50 in 2020, Spotify offers a diverse array of job options for the ambitious data scientist.
Nathan Rosidi -

How to Use cumsum() to Solve Python Optimization Questions
This very interesting Python interview question from Goldman Sachs is a good example of a large family of data science interview questions that concern optimization.
Nathan Rosidi -

How I Use DateTime Features in Python in Data Science Interviews
An overview of using DateTime features with Python Pandas.
Nathan Rosidi -

Data Science Probability Interview Questions
Top companies require top data scientists. The ones that are good at solving probability problems, which is what we’ll do here.
Vivek Sankaran -