Data Scientist Analytics & Experimentation Interview Questions
Practice 895 real Analytics & Experimentation interview questions for Data Scientist roles. From companies including Meta, Capital One, DoorDash, Uber, TikTok.
"I got asked a hardcore MCM DP question and I saw it on PracHub as well. Solved that question in 5 minutes. Without PracHub I doubt I could solve it in 5 hours. Though somehow didn't get hired, perhaps I guess I solved it too fast? /s"
"Believe me i'm a student here jn US. Recently interviewed for MSFT. They asked me exact question from PracHub. I saw it the night before and ignored it cause why waste time on random sites. I legit wanna go back and redo this whole thing if I had chance. Not saying will work for everyone but there is certainly some merit to that website. And i'm gonna use it in future prep from now on like lc tagged"
"10 years of experience but never worked at a top company. PracHub's senior-level questions helped me break into FAANG at 35. Age is just a number."
"I was skeptical about the 'real questions' claim, so I put it to the test. I searched for the exact question I got grilled on at my last Meta onsite... and it was right there. Word for word."
"Got a Google recruiter call on Monday, interview on Friday. Crammed PracHub for 4 days. Passed every round. This platform is a miracle worker."
"I've used LC, Glassdoor, and random Discords. Nothing comes close to the accuracy here. The questions are actually current — that's what got me. Felt like I had a cheat sheet during the interview."
"The solution quality is insane. It covers approach, edge cases, time complexity, follow-ups. Nothing else comes close."
"Legit the only resource you need. TC went from 180k -> 350k. Just memorize the top 50 for your target company and you're golden."
"PracHub Premium for one month cost me the price of two coffees a week. It landed me a $280K+ starting offer."
"Literally just signed a $600k offer. I only had 2 weeks to prep, so I focused entirely on the company-tagged lists here. If you're targeting L5+, don't overthink it."
"Coaches and bootcamp prep courses cost around $200-300 but PracHub Premium is actually less than a Netflix subscription. And it landed me a $178K offer."
"I honestly don't know how you guys gather so many real interview questions. It's almost scary. I walked into my Amazon loop and recognized 3 out of 4 problems from your database."
"Discovered PracHub 10 days before my interview. By day 5, I stopped being nervous. By interview day, I was actually excited to show what I knew."
"I recently cleared Uber interviews (strong hire in the design round) and all the questions were present in prachub."
"The search is what sold me. I typed in a really niche DP problem I got asked last year and it actually came up, full breakdown and everything. These guys are clearly updating it constantly."
Diagnose Why Delivered Food Arrives Cold
Diagnose Why Delivered Food Arrives Cold A delivery marketplace is receiving reports that food arrives cold. Describe how you would determine where th...
Reduce Cold-Food Incidents with Metrics and an Insulated-Bag Experiment
Reduce Cold-Food Incidents with Metrics and an Insulated-Bag Experiment A delivery marketplace wants to reduce the support costs, credits, and refunds...
Evaluate Growth and Pricing for a Grocery Delivery Startup
You are advising an early-stage grocery delivery company. Work through the following growth, profitability, and regional-pricing case. The numbers bel...
Design and Evaluate a Refund Policy for Delayed Orders
Design and Evaluate a Refund Policy for Delayed Orders A delivery marketplace is considering automatically refunding customers whose orders are delaye...
Diagnose a Decline in Order Acceptance Rate
Diagnose a Decline in Order Acceptance Rate The order acceptance rate on a delivery marketplace has decreased. Describe how you would determine whethe...
Evaluate a Bike Dasher Program with a Controlled Experiment
Evaluate a Bike Dasher Program with a Controlled Experiment A delivery marketplace is considering a program that encourages some couriers to make deli...
Walk Through an Experiment From Design to Decision
Describe an experiment you designed or analyzed. Explain the decision it was meant to inform, how you chose the experimental unit and metrics, what th...
Evaluate Courier-Selected Delivery Distance Limits
Evaluate Courier-Selected Delivery Distance Limits A delivery marketplace is considering allowing each courier to set a maximum distance for delivery ...
Diagnose a One-Day Drop in Successful Deliveries
Prompt On one specific day, the number of successful deliveries in a large metropolitan market drops sharply. The alert is about the count, not the su...
Evaluate a Live-Stream Group Notification Under Network Effects
Prompt A social travel app wants to add a notification: “Someone in one of your groups is live now.” The notification can increase attendance at live ...
Estimate a Launch Impact with Difference in Differences
Estimate a regional product launch effect with difference in differences when retrospective randomization is unavailable. Define the estimand, test pa...
Evaluate a Bike-Delivery Pilot with Marketplace Metrics
Evaluate a Bike-Delivery Pilot with Marketplace Metrics A delivery marketplace is considering a bike-based delivery option. Decide why the business mi...
Clarify an Ambiguous Product Question and Define a Metric
A product partner asks, “Is this feature successful?” The request does not specify the user population, behavior, comparison, or decision. Walk throug...
Reserving an Elevator for Food Deliveries
This question tests a data scientist's ability to design a rigorous A/B experiment for a real-world operational policy with competing stakeholder outc...
Size an Opportunity and Present It with Clear Visuals
Structure a data science case that sizes a business opportunity from partial information and presents it to senior decision-makers. Build top-down and...
Evaluate AI Workflow Product Metrics
This question evaluates product analytics and experimentation skills—specifically metric definition, funnel construction, segmentation, instrumentatio...
Define Success for a New Group Feature Without Hiding Cannibalization
Prompt A travel-oriented social app is considering a new Groups feature that lets people who do not already know one another form communities around d...
Estimate Incremental Search-Ad Revenue Without an A/B Test
Practice estimating incremental search-ad revenue when 100 eligible users are randomly assigned to treatment outside a conventional A/B platform. Defi...
Design an A/B test with causal inference
A/B Test Design: Checkout Nudge (Guest-Level Randomization) You own experimentation for an e-commerce checkout flow. You're launching a checkout nudge...
Evaluate a Product Change That Adds More User Options
A product team wants to add more options to an existing user flow. Design an experiment to determine whether the change improves the product, and expl...