Top 26

Prep plan

Updated weekly · Last refresh Oct 17

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 daily.

26questions

~3htotal time

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A/B Testing & ExperimentationStart here. 3 questions · ~24 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 Testing

U.S. News & World Report

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 Size

U.S. News & World Report

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Machine Learning6 questions · ~48 min

Handling Missing Data in MLMedium

Explain practical strategies for handling missing data and how to validate that the chosen approach improves model performance.

Feature EngineeringData WranglingSupervised Learning

U.S. News & World Report

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Statistics & Probability3 questions · ~24 min

Testing Statistical SignificanceMedium

Tests statistical reasoning for hypothesis testing and significance decisions.

Hypothesis TestingStatistical SignificanceP-Values

U.S. News & World Report

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Behavioral & Leadership7 questions · ~56 min

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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 IndicatorsDiagnosis

U.S. News & World Report

SQL Cohort Conversion Rate SegmentsMedium

Tests SQL skills for cohort analysis and segment ranking using conversion metrics.

JoinsRankingAggregations

U.S. News & World Report

Improving Model Performance MetricsMedium

Tests experience improving model outcomes and evaluating impact with metrics.

PrecisionAccuracyRecall

U.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 Vision

U.S. News & World Report

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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min

Optimize SQL Query PerformanceMedium

Practice

Practice drill

Optimize a PostgreSQL billing query using selective filtering, pre-aggregation, indexes, and regional ranking.

database optimizationJoinsindexes

QuantumBlackDDell Tech Laboratories

Confluent

SQL Window Functions for TrendsMedium

Practice

Practice drill

Rank Delta Air Lines routes by monthly revenue using joins, aggregation, and a window function.

Window FunctionsLag/LeadJoins

Delta Air Lines

SQL Window Functions for Campaign RankingMedium

Practice

Practice drill

Rank campaigns by advertiser performance and calculate campaign-level running conversions over time with PostgreSQL window functions.

Window FunctionsJoinsData Manipulation

Stackadapt

LiveRamp

Amazon Advertising

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