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Updated weekly · Last refresh Aug 30

U.S. News & World Report Data Scientist Interview Questions

The questions to prepare for a U.S. News & World Report Data Scientist interview. Questions from real interview reports rank first. Updated weekly.

26questions
~3htotal time
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1
A/B Testing & ExperimentationStart here. 3 questions · ~24 min
Plan Sample Size for In-App ExperimentMedium

Estimate sample size and power for an experiment, define MDE and guardrails, and decide whether the test is worth running.

MDEPower AnalysisSample SizeU.S. News & World Report
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2
Machine Learning6 questions · ~48 min
Supervised vs Unsupervised LearningEasy

Explain how supervised and unsupervised learning differ, and ground the distinction in a practical ML example.

Unsupervised LearningFeature EngineeringBias-Variance TradeoffU.S. News & World Report
Prevent Overfitting in ML ModelsEasy

Explain how to reduce overfitting using regularization, validation, and model selection.

Cross-ValidationBias-Variance TradeoffRegularizationU.S. News & World Report
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3
Statistics & Probability3 questions · ~24 min
Testing Statistical SignificanceMedium

Tests statistical reasoning for hypothesis testing and significance decisions.

Hypothesis TestingStatistical SignificanceP-ValuesU.S. News & World Report
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4
Behavioral & Leadership7 questions · ~56 min
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5
More topics7 questions · ~56 min
Diagnose a Metric Drop After LaunchMedium

Investigate why a key KPI moved the wrong way after a product change and separate signal from noise.

Lagging IndicatorsLeading IndicatorsDiagnosisU.S. News & World Report
Improving Model Performance MetricsMedium

Tests experience improving model outcomes and evaluating impact with metrics.

PrecisionAccuracyRecallU.S. News & World Report
North Star Metrics for FeaturesMedium

Tests product thinking and metric selection for U.S. News & World Report feature success.

North Star MetricKPIsProduct VisionU.S. News & World Report
SQL Window Functions for TrendsMedium

Tests SQL proficiency for time-series trend analysis using window functions.

Window FunctionsLag/LeadRunning TotalsU.S. News & World Report
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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
Top Daily Rides by VehicleMedium
Practice
Practice drill

Rank the top 3 completed rides per vehicle per day using joins, a CTE, and ROW_NUMBER.

Window FunctionsJoinsData WranglingWaymo
Deduplicate Out-of-Order Replication EventsMedium
Practice
Practice drill

Use ROW_NUMBER() to keep the earliest created_at 'Repl created' per entity and return out-of-order duplicates to delete.

Window FunctionsSubqueriesJoinsReplitQuantcast
30-Day Moving Average of BookingsMedium
Practice
Practice drill

Build a daily series and compute a 30-day trailing moving average of task bookings using window functions.

Window FunctionsData WranglingAggregationsTaskRabbitRBC
The finish line: interview-readyComplete all 26 questions plus 3 hands-on drills to finish this plan.