Katkat

practice a little every day, paws crossed ♡

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 31–60 of 560 results

  • AmazonHardData Scientist
    Design causal study for reminder impact

    This question evaluates a data scientist's competency in observational causal inference and program evaluation, covering concepts such as staggered rollouts, treatment definition, difference-in-differences diagnostics, matching/weighting, negative controls, interference handling, and power/MDE planning.

    Analytics & ExperimentationHR Screen
  • AmazonMediumData Scientist
    Determine Discount's Effect on Conversion Rate with A/B Testing

    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 Determine Discount's Effect on Conversion Rate with A/B Testing states assumptions, handles edge cases, explains trade-offs, and shows how to validate the result clearly.

    Analytics & ExperimentationTechnical Screen
  • AmazonMediumData Scientist
    Diagnose Business Decline Using Key Data Metrics

    Diagnose Business Decline Using Key Data Metrics 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 & ExperimentationOnsite
  • AmazonMediumData Scientist
    Diagnose Causes and Test Hypotheses for Metric Drop

    Evaluates incident-style analysis of a sudden purchase-conversion drop in a consumer product. Strong answers list plausible causes, validate with concrete cuts and logs, design an A/B test, and define metrics.

    Analytics & ExperimentationTechnical Screen
  • AmazonHardData Scientist
    Estimate live sports impact on subscriptions

    This question evaluates a data scientist's competence in causal inference and observational study design within analytics and experimentation, covering skills such as defining treatment and control, selecting outcome metrics and covariates, and choosing identification strategies like matching, IV, and difference-in-differences; it is commonly asked to assess the ability to produce credible causal estimates when randomized experiments are unavailable. It tests both conceptual understanding of identification assumptions (e.g., unconfoundedness, overlap, SUTVA, IV validity) and practical application of matching algorithms, propensity modeling, regression specifications, diagnostics, and staggered-rollout/event-study designs for real-world program evaluation.

    Analytics & ExperimentationOnsite
  • AmazonMediumData Scientist
    Estimate shuttle impact with robust causal design

    This question evaluates a candidate's competency in causal inference and experimental analytics, covering staggered-adoption difference-in-differences design, estimand and outcome definition, parallel-trends diagnostics, selection and time-varying confounding considerations, clustering and weighting choices, handling varied adoption timing and site attrition, robustness checks, and communication of coefficient interpretation and uncertainty. It is commonly asked in the Analytics & Experimentation domain because it tests both conceptual understanding of identification assumptions and practical application of statistical design choices for real-world observational causal analysis.

    Analytics & ExperimentationTechnical Screen
  • AmazonHardData Scientist
    Evaluate concession gift-card policy with DID

    This question evaluates a data scientist's competency in causal inference and experimentation design, encompassing difference-in-differences with staggered adoption and event-study diagnostics, data inventory and unit-of-analysis specification, clustering choices, heterogeneity and guardrail analyses, and cost–benefit and optional randomized experiment design. Commonly asked in Analytics & Experimentation interviews because it gauges the ability to justify identification strategies, diagnose violations of parallel trends and propose alternatives, and translate empirical results into business-impact metrics, it sits at the intersection of conceptual understanding and practical application within the Data Science domain.

    Analytics & ExperimentationOnsite
  • AmazonMediumProduct Manager
    Experiment Design to Measure Whether Voice Ordering Lifts Amazon Purchase Frequency

    An Amazon product manager prompt asking how to design an A/B test for a new voice-shopping feature and learn whether it makes customers buy more often. It tests the choice of randomization unit, how purchase frequency is measured, sample sizing for noisy order counts, and guardrails such as accidental orders and order value.

    Analytics & ExperimentationOther
  • AmazonMediumApplied Scientist
    Explain why CTR rises but CVR unchanged

    This question tests the ability to diagnose Simpson's Paradox or composition shifts in funnel metrics when engagement increases without a corresponding lift in final conversion.

    Analytics & ExperimentationOnsiteAnalyticsExperimentationFunnel Analysis
  • AmazonMediumData Scientist
    Explore Dataset to Assess Quality and Choose Visualizations

    Evaluates fast dataset exploration, data-quality assessment, and visualization planning for business stakeholders. Strong answers profile schema, check missingness and bias, and choose charts aligned to decisions.

    Analytics & ExperimentationOnsite
  • AmazonEasyData Scientist
    How to evaluate adding video ads in a game

    This question tests your ability to design an experimentation framework and evaluate the business impact of introducing interstitial video ads in a mobile game, focusing on the trade-off between short-term revenue and long-term user retention.

    Analytics & ExperimentationTechnical ScreenA/B TestingProduct AnalyticsMonetization
  • AmazonMediumData Scientist
    How would you evaluate adding video ads?

    This question evaluates a data scientist's competencies in experimental design, causal inference, metrics selection, and product monetization analytics within the Analytics & Experimentation domain, focusing on measuring the impact of video ads on revenue, engagement, retention, and lifetime value.

    Analytics & ExperimentationTechnical Screen
  • AmazonMediumData Scientist
    How would you test a price increase?

    An Amazon data scientist technical screen case on pricing: decide whether to raise the price of a subscription product, choose the price point and packaging, and design the experiment that proves it. The answer covers per-visitor profit and LTV metrics, guardrails, elasticity estimation, randomization on the billing account, and how to handle existing subscribers at renewal. It also fixes the two traps that sink most answers: judging a subscription price test on short-horizon revenue, and measuring churn only among users who converted.

    Analytics & ExperimentationTechnical Screen
  • AmazonHardData Scientist
    Prioritize a new warehouse proposal with data

    This question evaluates demand forecasting, network optimization, five-year NPV financial modeling, experiment and quasi-experiment design for incrementality estimation, sensitivity analysis, and stakeholder communication within the analytics & experimentation domain for data science roles focused on warehouse/fulfillment center decisions.

    Analytics & ExperimentationTechnical Screen
  • AmazonMediumData Scientist
    Profile and visualize an unfamiliar dataset

    This question evaluates a data scientist's competency in exploratory data analysis, data quality assessment, time-series aggregation, visualization design, and concise stakeholder communication when working with an undocumented events-plus-purchases CSV.

    Analytics & ExperimentationTechnical Screen
  • AmazonHardData Scientist
    Quantify build-vs-buy training decision

    This question evaluates proficiency in quantitative decision analysis, causal inference for experimentation, KPI definition, and risk‑adjusted financial modeling within the Analytics & Experimentation domain, assessing skills relevant for a Data Scientist making operational trade‑offs.

    Analytics & ExperimentationOnline Assessment
  • AmazonMediumSoftware Engineer
    Resolve a Conflict Between Metrics and Customer Feedback

    This question tests your ability to troubleshoot conflicting signals in A/B testing and product analytics, requiring a structured approach to reconciling quantitative data with qualitative sentiment.

    Analytics & ExperimentationOnsiteAnalyticsA/B TestingDecision Making
  • AmazonEasyBusiness Intelligence Engineer
    Visualize Trip Duration, Fees, and Survey Outcomes

    This question tests the ability to design an analytical framework for identifying patterns in user satisfaction relative to trip costs and duration, while accounting for potential data quality issues like response bias.

    Analytics & ExperimentationTechnical ScreenData VisualizationAnalyticsBias Detection
  • AmazonEasyData Scientist
    Walk through an A/B test end-to-end

    This question evaluates a data scientist's competencies in experimental design, statistical inference, causal reasoning, metric selection, and data quality assurance for A/B testing.

    Analytics & ExperimentationTechnical Screen
  • AnthropicHardSoftware Engineer
    Design a profiling plan for kernels

    This question evaluates competency in performance profiling, experimental design, microarchitectural analysis, statistical methodology, and kernel-level performance engineering.

    Analytics & ExperimentationOnsite
  • AnthropicHardSoftware Engineer
    How do you design an A/B experiment?

    This problem tests your ability to design a rigorous A/B experiment for a consumer-facing AI product, focusing on identifying interference, selecting appropriate metrics, and addressing statistical validity.

    Analytics & ExperimentationOnsiteA/B TestingExperiment DesignMetrics
  • AppleHardData Scientist
    Choose Optimal Network Retry Threshold

    This question evaluates competence in statistical analysis, experimental design, and decision-making under trade-offs between playback reliability and battery or radio power consumption.

    Analytics & ExperimentationOnsite
  • AppleMediumData Scientist
    Design A/B Test for Search Feature Effectiveness

    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 A/B Test for Search Feature Effectiveness states assumptions, handles edge cases, explains trade-offs, and shows how to validate the result clearly.

    Analytics & ExperimentationTechnical Screen
  • AppleMediumData Scientist
    Design an A/B Test for Homepage Layout Impact

    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 an A/B Test for Homepage Layout Impact states assumptions, handles edge cases, explains trade-offs, and shows how to validate the result clearly.

    Analytics & ExperimentationOnsite
  • AppleMediumData Scientist
    Diagnose post-release conversion regression rigorously

    This question tests the ability to diagnose a post-release metric regression in the absence of a control group by utilizing quasi-experimental design and causal inference methods.

    Analytics & ExperimentationTechnical ScreenCausal InferenceRoot Cause AnalysisExperimentation
  • AppleHardData Scientist
    Evaluate a model and choose metrics

    This question evaluates a data scientist's competency in cost-sensitive model evaluation, handling extreme class imbalance, calibration and threshold derivation, experiment design, and post-launch monitoring and fairness within the Analytics & Experimentation domain.

    Analytics & ExperimentationOnsite
  • AppleMediumData Scientist
    Examine Data to Boost Instagram Purchases Effectively

    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 Examine Data to Boost Instagram Purchases Effectively states assumptions, handles edge cases, explains trade-offs, and shows how to validate the result clearly.

    Analytics & ExperimentationTechnical Screen
  • AtlassianMediumData Scientist
    Diagnose Checkout Rate Drop: Steps and Analyses

    Diagnose Checkout Rate Drop: Steps and Analyses 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 & ExperimentationOnsite
  • AxonHardSoftware Engineer
    Design an e-commerce analytics warehouse

    The question evaluates data engineering and analytics competencies including event schema design, session and identity stitching, dimensional modeling, ingestion pipelines, and operational concerns such as deduplication, partitioning, and handling late or out‑of‑order events.

    Analytics & ExperimentationTechnical Screen
  • Bank of AmericaMediumData Scientist
    Discuss a Recent Financial-Market Trend

    Tests your ability to formulate and rigorously analyze a recent financial-market trend by decomposing asset value changes versus net organic investor flows, designing econometric hypothesis tests, and evaluating data limitations.

    Analytics & ExperimentationTechnical ScreenFinancial AnalyticsTime SeriesHypothesis Testing