Practice the most common SQL, Statistics, and ML questions which show up in FAANG Data Science & Data Analyst interviews!
Facebook
Page With No Likes
Tesla
Unfinished Parts
Twitter
Histogram of Tweets
New York Times
Laptop vs. Mobile Viewership
Coin Fairness Test
BCG Gamma
Precision/Recall Tradeoff
LinkedIn
Data Science Skills
Average Post Hiatus (Part 1)
Microsoft
Teams Power Users
Visa
4 Rolls To 4
Linkedin
Duplicate Job Listings
Robinhood
Cities With Completed Trades
Amazon
Average Review Ratings
App Click-through Rate (CTR)
TikTok
Second Day Confirmation
JPMorgan Chase
Cards Issued Difference
Alibaba
Compressed Mean
CVS Health
Pharmacy Analytics (Part 1)
Pharmacy Analytics (Part 2)
Pharmacy Analytics (Part 3)
McKinsey
Assumptions of Linear Regression
UnitedHealth
Patient Support Analysis (Part 1)
Netflix
Lazy Movie Raters
Patient Support Analysis (Part 2)
Uber
User's Third Transaction
Snapchat
Sending vs. Opening Snaps
Tweets' Rolling Averages
Akuna Capital
Consecutive Fives
Highest-Grossing Items
Spotify
Top 5 Artists
Signup Activation Rate
Supercloud Customer
Blackstone
Real Estate Modelling
D.E. Shaw
Biased Coin?
Google
Odd and Even Measurements
Walmart
Histogram of Users and Purchases
Compressed Mode
Card Launch Success
Verizon
International Call Percentage
Connection Request Spam
Active User Retention
Wayfair
Y-on-Y Growth Rate
Maximize Prime Item Inventory
Median Google Search Frequency
Advertiser Status
3-Topping Pizzas
Product vs. Square
Modeling User Churn
Patient Support Analysis (Part 3)
Patient Support Analysis (Part 4)
Stripe
Repeated Payments
Minimum of Two Uniform Variables
Refer Friends To Unlock More Questions
Calculate Rates7
Array Functions2
Minimum/Maximum4
Date-Time Operations13
Mathematical Functions3
Aggregations24
Ace the Data Science Interview15
Type Conversion11
Categorize Data14
Window Functions11
Top X5
Existence Check5
Cumulative Sums0
SQL Series1
Conditional Aggregation8
String Functions2
Unique Results8
User Behavior5