Dataford
Top 15
Prep plan
Updated weekly · Last refresh Sep 22
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Insight Data Scientist Interview Questions

The questions to prepare for a Insight Data Scientist interview. Questions from real interview reports rank first. Updated daily.

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1
SQL & Data ManipulationStart here. 3 questions + 2 drills · ~47 min
SQL Window Functions Moving AverageMedium
Practice

Calculate a three-day moving average of active-client revenue using aggregation and SQL window functions.

Window FunctionsData AnalysissqlIInsight
Handling Missing and Skewed DataMedium

Explain how to handle NULLs, skewed values, and outliers when preparing an analysis dataset using SQL.

Data Qualitynull handlingData WranglingIInsight
SQL for Search Filters Leading to No ResultsMedium
Practice
Practice drill

Rank the three most common Airbnb search filter combinations associated with zero-result sessions.

null handlingJoinsData AnalysisAirbnb
SQL Duplicate Consumer ProfilesMedium
Practice
Practice drill

Identify likely duplicate consumer profiles using normalized partial names and matching locations.

data cleaningnull handlingJoinsWindfall Data
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2
A/B Testing & Experimentation3 questions · ~27 min
Design Test for New FeatureMedium

Design an A/B test for a new platform feature, including success metrics, power, guardrails, and a clear ship decision.

experiment designfeature evaluationA/B TestingIInsight
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3
Behavioral & Leadership4 questions · ~36 min
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4
More topics5 questions · ~45 min
Measure Patient Onboarding SuccessMedium

Build a measurement framework for a new patient onboarding feature, with clear success metrics, guardrails, and decision criteria.

Success Criteriaonboardinguser valueIInsight
Statistical Significance in Business DecisionsEasy

Explain what statistical significance means, how p-values and confidence intervals support decisions, and why significance alone is not enough.

Hypothesis TestingStatistical SignificanceP-ValuesIInsight
Investigate User Engagement DeclineMedium

Investigate a 15% engagement decline by decomposing the metric, isolating root causes, and proposing actions.

RetentionDiagnosisEngagement MetricsIInsight
Diagnosing Engagement Metric DropMedium

Assesses your ability to investigate and isolate drivers of a sudden engagement metric decline.

diagnostic processIInsight
Designing Satisfaction MetricsMedium

Evaluates your product thinking for defining, validating, and operationalizing a user satisfaction metric.

product metricsdesignIInsight

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