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Updated weekly · Last refresh Oct 17

New Relic Data Scientist Interview Questions

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

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1
Product SenseStart here. 4 questions · ~38 min
2
Machine Learning8 questions · ~75 min
L1 vs L2 RegularizationMedium

Explain how L1 and L2 regularization differ geometrically and probabilistically, grounded in a practical supervised learning example.

Feature EngineeringRegularizationSupervised LearningNew Relic
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3
Statistics & Probability3 questions · ~28 min
A/B Testing for Product FeaturesMedium

Explain how to design and evaluate an A/B test for a product feature, including metrics, MDE, sample size, and guardrails.

Hypothesis TestingStatistical SignificanceA/B TestingNew Relic
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4
More topics9 questions · ~84 min
Top Customers by Sales RevenueEasy
Practice

Use GROUP BY and SUM to rank the top 10 customers by total revenue from a single sales table.

RankingGroup ByAggregationsNew Relic
Choosing Classification Evaluation MetricsEasy

Explain which classification metrics to use and how metric choice depends on the business objective and error tradeoffs.

PrecisionAccuracyRecallNew Relic
Analyze User Engagement MetricsMedium

Tests your metrics thinking, experimental design instincts, and ability to derive actionable insights.

KPIsDiagnosisEngagement MetricsNew Relic
Common A/B Testing PitfallsMedium

Tests awareness of experimental threats like bias, leakage, and incorrect randomization.

A/B TestingNew Relic
Compute Mean From a ListEasy
Practice

Calculate the arithmetic mean of a non-empty list using a single pass and constant extra space.

aggregationMathArraysNew Relic
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Hands-on SQL practiceWrite and run real queries in the editor. 2 drills · ~20 min
The finish line: interview-readyComplete all 24 questions plus 2 hands-on drills to finish this plan.