Analytics & Experimentation Interview Questions
Practice the exact questions companies are asking right now.
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How would you evaluate stolen-post detection?
You are interviewing for a Meta DSA (product analytics / data science) role. The product team is launching a new Stolen Post Detection algorithm that ...
Evaluate a cold-start rating launch
Uber Eats is considering showing an initial rating for newly onboarded restaurants that have little or no historical review data. This is a two-sided ...
Should WhatsApp launch group calls?
WhatsApp currently supports only one-to-one calling and is considering launching group calling for personal users. The product goal is to increase eng...
How would you measure product success?
You are interviewing for a Data Scientist role supporting a subscription-based collaborative design software product used by teams. The product is sol...
How should you evaluate unconnected content?
A social media platform has launched a feed feature that increases the share of unconnected content, meaning posts from creators who do not have an ex...
How would you evaluate emoji reactions launch?
You work on a Messenger-like chat app (not Meta). The product team plans to ship a new feature: Emoji Reactions (a user can long-press a message for 5...
Estimate ATE of personalization on streaming
You are given a user-level dataset from an online experiment that randomized personalization (treatment) vs no personalization (control). Assume one r...
Evaluate AI-assisted ad creation
Meta is considering launching an AI-assisted ad creation feature for advertisers. The feature helps advertisers generate ad copy and/or creatives insi...
Evaluate ETA Impact on Conversion
You are a Senior Data Scientist at a ride-hailing company such as Uber. ETA refers to the estimated pickup time shown to a rider before they decide wh...
How do you design an A/B experiment?
You have an interview on your agenda titled “Experiment Design.” You are asked to design an online experiment (A/B test) for a product change. Describ...
How would you grow Meta products?
You are interviewing for a Product Growth Analyst role at Meta. For each of the following cases, explain how you would: (i) define the primary metric ...
How would you diagnose a completed orders drop?
Case: Completed orders dropped in Los Angeles You are a Data Scientist supporting a consumer pricing team for a two-sided delivery marketplace (custom...
How to test bike delivery?
You are a data scientist at a food-delivery marketplace. The company is considering launching a bicycle courier delivery option in selected cities. De...
Compute ITT, TOT, and LATE with noncompliance
In the same personalization experiment, not everyone assigned to treatment actually receives personalization (noncompliance). You are given user-level...
How to test account ranking change
A product team is evaluating a change to the account switcher in a multi-account app. Current experience: - When a user opens the account switcher, ac...
How would you test product changes?
You are interviewing for a Product Data Scientist role at a food-delivery marketplace. Answer the following related experimentation cases: 1. Checkout...
Estimate impact without experiments and pick variant
Part A — Measuring impact when you cannot run an experiment You are a Staff Data Scientist working on a product change (feature/policy/model update). ...
Evaluate Marketplace Changes
You are a marketplace data scientist at a mobility and delivery platform. Discuss how you would evaluate the following product and algorithm changes: ...
Design and Test a New Feature
You are interviewing for a Data Scientist internship at Uber. Assume the Uber rider app already includes standard functionality such as booking a ride...
Evaluate AI-assisted ad creation
A company is launching an AI-assisted ad creation feature for advertisers. The tool helps advertisers generate ad copy and creatives, and the team wan...