Analytics & Experimentation Interview Questions
Practice 909 real Analytics & Experimentation interview questions for 2026 — Analytics & Experimentation interview questions drawn from companies like Meta, Capital One, DoorDash, TikTok, and Uber. Real questions from actual data interviews with detailed solutions, this collection targets the way modern product teams test ideas: A/B and multivariate experiments, causal identification, metric specification, power and sample-size reasoning, and the downstream analysis and instrumentation needed to trust results. Use this for focused interview preparation whether you’re applying for product/data scientist, analytics engineer, or experimentation platform roles. Expect case-style experiment designs, metric-definition prompts, diagnostic “why did the experiment fail” questions, and hands-on analysis tasks in SQL or Python. Interviewers evaluate statistical rigor (peeking, multiple comparisons, false discovery), product judgment (success metric choice, guardrail trade-offs), and practical engineering concerns (backfill, delayed metrics, segmentation, treatment assignment). To prepare, practice end-to-end experiment writeups, rehearse power calculations and sequential-analysis thinking, sharpen SQL/Python analysis, and build concise tradeoff narratives that show both causal reasoning and business impact.

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Estimate Revenues and Costs for New Amusement Park Launch
Estimate Revenues and Costs for New Amusement Park Launch Amusement Park Case: Revenue, Costs, Profit, and Go/No-Go Context You are advising an amusem...
Should a Restaurant Partner with Groupon?
You are evaluating whether a restaurant should partner with a daily-deals platform similar to Groupon. Assumptions: - The restaurant serves a certain ...
Should WhatsApp Launch Group Calls?
Assume WhatsApp currently supports only 1:1 audio and video calling and is considering launching group calling. You are the data scientist evaluating ...
Investigate marketplace metrics and experiment rollout
You are interviewing for a Senior Data Scientist role at a two-sided marketplace like Instacart, where customers place delivery orders and shoppers ch...
How would you decide to cancel a TV show?
Case: Should you cancel, keep, or sell a TV series? You are the CEO of a streaming company. Your platform currently produces and distributes a scripte...
Design and decompose Trust & Safety risk metrics
You are a Data Scientist in a Trust & Safety team for a short-video platform (similar to TikTok/Reels). The team asks: “How would you design risk metr...
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...
Design and analyze a free-trial A/B test
A/B Test Design: 1‑Month Free Trial Impact on Paid Subscription Conversion You are evaluating whether offering a 1‑month free trial increases paid sub...
Decide and test a 20% discount strategy
Case: Evaluate a 20% Discount Campaign Context Marketing proposes a 20% discount to boost purchases. You are asked to build the business case, design ...
Define Ultra success and detect suspicious transactions
Assume the following relevant columns are available, and all timestamps are stored in UTC: - users(user_id BIGINT PRIMARY KEY, create_date TIMESTAMP, ...
Compute minimum sample size for A/B test
You are implementing a function to compute the minimum total sample size for an A/B test. You are given: - observed: a 1D array of historical/baseline...
Should Company Launch Vegan Burger Based on Profit Analysis?
Case: Launching a Vegan Burger — Unit Economics and Go/No-Go You are a data scientist supporting a product team that is deciding whether to launch a v...
Design an Identity Trust Experiment
You are joining an Identity & Trust team at a consumer marketplace. The team wants to launch a new identity-verification badge that appears on seller ...
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 validate a driving simulation is realistic?
You work on evaluating Waymo’s driving simulation. You have: - Real-world (logged) driving data collected on-road. - Simulated driving data generated ...
Decide on vegan-burger R&D investment
Investment Decision: Vegan Burger R&D and Launch Business Case You are evaluating whether to invest now in R&D to develop and launch a plant-based (ve...
How to measure harmful-content severity and run experiments
Question You are a Data Scientist working on content integrity / harmful content at a large social media platform (e.g., hate/harassment, self-harm, g...
How to evaluate new listing notifications?
You work on an online marketplace. The product team wants to build a feature that notifies buyers when new products are listed that match their intere...
Design and Evaluate a Home Carousel
Pinterest is considering adding a horizontally scrollable carousel at the top of the Home feed, similar to Instagram Stories. The carousel may surface...
Design experiment for bike delivery feature
You work on a delivery marketplace (customers, merchants, couriers). The company is considering launching a “bike delivery” capability in a subset of ...