Top 18
Prep plan
Updated weekly · Last refresh Sep 18

Themis Insight Data Scientist Interview Questions

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

18questions
~3htotal time
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1
SQL & Data ManipulationStart here. 3 questions + 2 drills · ~46 min
2
Product Sense3 questions · ~26 min
Balance Conversion and RetentionHard

Framework for deciding when to favor short-term conversion gains versus long-term retention in a product decision.

Feature PrioritizationUser NeedsValue PropositionThemis Insight
Define Launch Success MetricsMedium

Approach for choosing launch success metrics, including a north star, leading indicators, and clear success criteria.

Product-Market FitUser NeedsKPIThemis Insight
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3
A/B Testing & Experimentation5 questions · ~43 min
Common Pitfalls in Experiment ResultsHard

Identify the main pitfalls that can distort A/B test interpretation and explain how to guard against them.

PeekingNovelty EffectSample Ratio MismatchThemis Insight
Mitigating Novelty EffectsMedium

Tests your experimental design judgment to reduce bias from user behavior changes over time.

experiment designrisk mitigationThemis Insight
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4
Behavioral & Leadership4 questions · ~35 min
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5
More topics3 questions · ~26 min
First Checks for Metric DropsEasy

Outline the first checks to diagnose a sudden drop in a core product metric, starting with data quality, scope, and decomposition.

Lagging IndicatorsLeading IndicatorsDiagnosisThemis Insight
Explain Statistical SignificanceMedium

Assesses communication skills for conveying statistical ideas to non-technical audiences.

CommunicationStatistical SignificanceThemis Insight
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The finish line: interview-readyComplete all 18 questions plus 2 hands-on drills to finish this plan.