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Updated weekly · Last refresh Aug 30

Dexcom Research Scientist Interview Questions

The questions to prepare for a Dexcom Research Scientist interview. Questions from real interview reports rank first. Updated weekly.

21questions
~3htotal time
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1
Statistics & ProbabilityStart here. 5 questions · ~40 min
Experiment Design for HypothesesMedium

Tests your ability to design rigorous experiments aligned to testable hypotheses.

ExperimentationHypothesis TestingPower AnalysisDexcom
Statistical Methods for Research DataMedium

Tests your statistical toolkit for analyzing research outcomes and drawing valid conclusions.

Confidence IntervalsRegressionHypothesis TestingDexcom
Contradictory Experiment ResultsHard

Tests your experimental reasoning, troubleshooting approach, and ability to adapt hypotheses.

ExperimentationHypothesis TestingCausal InferenceDexcom
Statistical Software and Analysis MethodsMedium

Tests your practical analytics skills and ability to execute rigorous data analysis.

Confidence IntervalsRegressionHypothesis TestingDexcom
Research Designs and Use CasesMedium

Tests your understanding of study design choices and their implications for evidence quality.

ExperimentationHypothesis TestingCausal InferenceDexcom
2
Behavioral & Leadership14 questions · ~112 min
Prioritizing Across Competing Client ProjectsEasy

Tests prioritization under pressure across multiple projects, including trade-off judgment, stakeholder communication, and ownership of outcomes.

OwnershipPrioritizationDexcom
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3
More topics2 questions · ~16 min
Research Data Accuracy and ReliabilityEasy

Explain a practical approach for validating research data quality and checking that model evaluation results are reliable.

PrecisionAccuracyRecallDexcom
Principles Behind Continuous Glucose MonitoringMedium

Tests your understanding of CGM fundamentals and how they translate to experimental work.

Cross-ValidationFeature EngineeringSupervised LearningDexcom

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