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Analytics & Experimentation Interview Questions

Practice 9403 coding, system design and machine learning questions from 546 companies, sorted by role, topic and interview round. Every question has step-by-step hints, a code runner that supports 8 languages and an AI mentor; members also get the full solution walkthrough.

9403
Questions
546
Companies
11
Topics
8
Languages

Showing 241–270 of 306 results

  • PinterestHardData Scientist
    Design metrics and experiment for Shopping launch

    This question evaluates a data scientist’s competency in experimental design and product analytics, including metric selection and precise definitions, guardrail and funnel diagnostics, spillover and novelty handling, power/MDE estimation, and multi-objective decision framing.

    Analytics & ExperimentationTechnical Screen
  • PinterestMediumData Scientist
    Evaluate Carousel and Billboard Lift

    This question tests your ability to design an A/B test for multi-format advertising, specifically handling cannibalization and cross-format lift measurement.

    Analytics & ExperimentationTechnical ScreenA/B TestingCausal InferenceMetrics
  • PinterestMediumData Scientist
    Evaluate Fresh Content and Video Experiments

    This question evaluates competencies in metric design, experimental design, statistical inference, and product analytics—specifically defining and critiquing freshness metrics, formulating null and alternative hypotheses for content changes, interpreting A/B test results, and calculating sample size and power.

    Analytics & ExperimentationTechnical Screen
  • PinterestEasyData Scientist
    How to evaluate a new Carousel feature

    This question tests your ability to design an A/B test for a feed-based UI feature, focusing on metric selection, counter-metrics, and the identification of potential cannibalization effects.

    Analytics & ExperimentationTechnical ScreenA/B TestingMetricsExperiment Design
  • PinterestMediumData Scientist
    How would you evaluate a carousel launch?

    This question tests your ability to design a comprehensive evaluation framework for a product feature launch, specifically focusing on metric selection, causal impact measurement, and addressing potential cannibalization effects.

    Analytics & ExperimentationTechnical ScreenExperimentationMetricsProduct Analytics
  • PinterestMediumData Scientist
    Interpret A/B results for video-pin increase

    This question evaluates statistical inference and experimentation skills, including A/B test hypothesis formulation with a predefined MDE, estimation of absolute and relative lift with confidence intervals, proportion testing for CTR and retention, sample ratio mismatch detection, and multiple-comparison adjustments.

    Analytics & ExperimentationTechnical Screen
  • PlaystationMediumData Scientist
    Design Experiments Under Network Interference

    This problem tests your understanding of causal inference in networked environments, focusing on how to detect and mitigate bias when treatment effects spill over between connected users in a social gaming platform.

    Analytics & ExperimentationTechnical ScreenCausal InferenceA/B TestingNetwork Science
  • QuoraMediumData Scientist
    Test a Post-Creation Tab While Accounting for User Interference

    Design an experiment for a post-creation tab with creator–reader spillovers, cluster-aware analysis and an evidence-based launch decision.

    Analytics & ExperimentationTechnical Screen
  • RevolutHardData Analyst
    Define Ultra success and detect suspicious transactions

    This question evaluates a candidate's skills in product analytics, cohort and retention measurement, SQL-based metric design and segmentation, and rule-based fraud detection using transactional and activity data.

    Analytics & ExperimentationTechnical Screen
  • RevolutEasyData Scientist
    Define Ultra success metrics and detect suspicious transactions

    This question evaluates a data scientist's ability to define primary, diagnostic, and guardrail metrics for a product launch and to design rule-based suspicious-transaction detection using available schema, emphasizing metric definition, defensible proxy selection, SQL-based data modeling, and financial-crime domain knowledge.

    Analytics & ExperimentationTechnical Screen
  • RobinhoodMediumData Scientist
    Diagnose Decline in First Day Funding Rate

    Diagnose Decline in First Day Funding Rate evaluates metric design, causal reasoning, experiment setup, diagnostics, SQL/statistical checks, and recommendations in a realistic interview setting. A strong answer states assumptions, handles edge cases, explains trade-offs, and shows how to validate the result clearly.

    Analytics & ExperimentationTechnical Screen
  • RobloxHardData Scientist
    Design experiment for homepage tab replacement

    This question evaluates experiment design and causal-inference competency for product changes that impact both end users and platform creators, covering randomization strategies, metric and guardrail selection, power calculations, and handling of novelty, navigation friction, and ecosystem interference.

    Analytics & ExperimentationTechnical Screen
  • RobloxMediumData Scientist
    Evaluate Impact of New Roblox Homepage Tab

    Roblox data scientist experimentation prompt on evaluating a new homepage tab, including hypotheses, engagement funnel metrics, guardrails, power, duration, segmentation, cannibalization, and rollout criteria.

    Analytics & ExperimentationTechnical Screen
  • RobloxMediumData Scientist
    Measure Success for a New Chat System

    Build a chat-system launch framework with meaningful communication metrics, reliability and safety guardrails, and experiments that address network effects.

    Analytics & ExperimentationTechnical Screen
  • RokuMediumData Scientist
    Measure Speaker's Impact Using Propensity Score Matching

    Evaluates causal inference for optional smart speaker ownership using propensity score matching and staggered adoption. Strong answers address self-selection, construct matched or weighted controls, validate balance and pre-trends, estimate ATT, and run placebo and sensitivity analyses.

    Analytics & ExperimentationTechnical Screen
  • ShopifyMediumData Scientist
    Analyze Trends to Optimize Pirate-Theme Product Strategy

    This interview question evaluates metric design, causal reasoning, experiment setup, diagnostics, SQL/statistical checks, and recommendations in a realistic interview setting. A strong answer for Analyze Trends to Optimize Pirate-Theme Product Strategy states assumptions, handles edge cases, explains trade-offs, and shows how to validate the result clearly.

    Analytics & ExperimentationTechnical Screen
  • ShopifyEasyData Scientist
    Measure App Store success and debug funnel anomaly

    This question evaluates proficiency in product analytics, instrumentation design, experimentation planning, and funnel-level diagnostic analysis for an app marketplace, and falls squarely in the Analytics & Experimentation domain for data scientist roles.

    Analytics & ExperimentationTechnical Screen
  • ShopifyHardData Scientist
    Present Piracy Trends to a PM

    This question evaluates a candidate's ability to interpret time-series analytics and revenue-impact estimates, reason about measurement biases and censoring, and communicate ambiguous statistical findings to product stakeholders.

    Analytics & ExperimentationTechnical Screen
  • SnapchatHardData Scientist
    Design an experiment for spam filtering impact

    This question evaluates experimental design and causal inference skills for measuring the effect of a stricter spam filter on same-day friend-request acceptance, covering hypothesis specification, interference and randomization choices, metric definition and windows, power calculation, and handling incomplete labels.

    Analytics & ExperimentationTechnical Screen
  • SnowflakeHardData Scientist
    Design an A/B test for ML model launch

    This question evaluates a data scientist's competence in experimental design, statistical power analysis, sequential monitoring, covariate adjustment (e.g., CUPED), and practical operational concerns like guardrails, interference, and ramping for ML model launches.

    Analytics & ExperimentationTechnical Screen
  • SoFiHardData Scientist
    Plan and validate ranking experiment

    This question evaluates skills in experimental design and analytics, covering offline counterfactual replay, interleaving and A/B testing, sample-size and power computation, sequential testing and alpha spending, guardrail monitoring and ramp policies, proxy metrics and covariate adjustment, heterogeneous treatment effect analysis, and governance concerns such as p-hacking and Simpson’s paradox within the Analytics & Experimentation domain for Data Scientist roles. It is commonly asked to probe proficiency in rigorously validating ranking changes while balancing statistical error, operational risk and bias mitigation, and it emphasizes practical application of applied statistical concepts and experiment governance rather than purely theoretical understanding.

    Analytics & ExperimentationTechnical Screen
  • StripeHardData Scientist
    Design and power an A/B test

    This question evaluates a data scientist's competency in experimentation design, including metrics selection and guardrails, statistical power and sample-size calculation, sequential monitoring and ramp strategies, operational checks for randomization and contamination, and choosing credible quasi-experimental alternatives.

    Analytics & ExperimentationTechnical Screen
  • StripeMediumData Analyst
    Evaluate Stripe Capital Loan Performance

    This question evaluates a data analyst's competency in product analytics, metric design, cohort and segment analysis, and causal inference for a working-capital loan product.

    Analytics & ExperimentationTechnical Screen
  • StripeHardData Scientist
    Evaluate a new product with experimentation

    This question evaluates experimental design and causal inference skills, including defining an Overall Evaluation Criterion (OEC) and guardrail metrics, selecting an appropriate test design and ramp/power strategy, specifying quasi-experimental fallbacks, and performing metric diagnostics for a recommendation module in a commerce app.

    Analytics & ExperimentationTechnical Screen
  • StripeMediumData Scientist
    Quantify impact without an A/B test

    This question tests your ability to design a quasi-experimental study to estimate causal impact when randomized controlled trials (RCTs) are unavailable, specifically focusing on observational causal inference techniques.

    Analytics & ExperimentationTechnical ScreenCausal InferenceAnalyticsDifference-in-Differences
  • TCSHardData Scientist
    Compare Tableau blending, joins, and filters

    This question evaluates a candidate's competency in Tableau data integration and visualization, specifically assessing understanding of joins versus blends, filter order of operations, aggregation and null-handling behavior, level-of-detail impacts, and cross-database/calculation limitations.

    Analytics & ExperimentationTechnical Screen
  • TeslaEasyBusiness Intelligence Engineer
    Design an End-to-End Customer Delivery Experience Dashboard

    Design an end-to-end delivery experience dashboard connecting executive KPIs to stage-level operational diagnostics, with clear metric definitions, data freshness SLAs, and handling of late-arriving events.

    Analytics & ExperimentationTechnical Screenbusiness-intelligencedashboard-designmetric-definition
  • TikTokMediumData Scientist
    Analyze Negative Reviews' Impact on Coupon Repurchase Rate

    Evaluates causal analysis of negative reviews on coupon repurchase behavior using exposure-aware data. Strong answers define treatment and outcome, collect exposure data, control confounding, and validate estimates with robustness checks.

    Analytics & ExperimentationTechnical Screen
  • TikTokMediumData Scientist
    Design Metrics for Content Moderation and Chatbot Evaluation

    This interview question evaluates metric design, causal reasoning, experiment setup, diagnostics, SQL/statistical checks, and recommendations in a realistic interview setting. A strong answer for Design Metrics for Content Moderation and Chatbot Evaluation states assumptions, handles edge cases, explains trade-offs, and shows how to validate the result clearly.

    Analytics & ExperimentationTechnical Screen
  • TikTokHardData Scientist
    Design an experiment for exploratory recommendations

    Evaluates experiment design for exploratory recommendation algorithms that may trade short-term engagement for discovery. Strong answers define exploration, satisfaction, retention, ecosystem health, leading indicators, and cautious launch decisions.

    Analytics & ExperimentationTechnical Screen