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Updated weekly · Last refresh Aug 30

Monogram Health Data Scientist Interview Questions

The questions to prepare for a Monogram Health Data Scientist interview. Questions from real interview reports rank first. Updated weekly.

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1
Machine LearningStart here. 8 questions · ~64 min
Build a Predictive Model from DataMedium

Build a supervised model from a dataset, from feature prep through validation and deployment choices.

Cross-ValidationFeature EngineeringSupervised LearningMonogram Health
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 LearningMonogram Health
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2
SQL & Data Manipulation4 questions + 3 drills · ~62 min
Handling Missing DataHard

Tests data quality handling and correct treatment of missingness.

Window FunctionsData WranglingCTEsMonogram Health
Analyzing Large Datasets with SQLEasy

Explain practical SQL methods for analyzing large datasets, including filtering, aggregation, sampling, and performance-aware query design.

JoinsData WranglingAggregationsMonogram Health
Find Duplicate Records in SQLEasy
Practice
Practice drill

Use GROUP BY and HAVING to find duplicate patient records in a Johns Hopkins Medicine dataset.

Data WranglingGroup ByHavingEmersonAmazon DSPCareDx
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
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3
Statistics & Probability4 questions · ~32 min
Correlation vs Causation (Alt)Medium

Tests your ability to reason about causal inference and avoid misleading conclusions from observational data.

CorrelationHypothesis TestingCausal InferenceMonogram Health
Mean and Standard DeviationEasy

Tests your foundational understanding of descriptive statistics and variability.

DistributionsVarianceExpected ValueMonogram Health
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4
More topics4 questions · ~32 min
Motivation in Healthcare Product WorkEasy

Explain what drives your work and how you connect motivation to meaningful user and patient impact in healthcare.

User NeedsValue PropositionUse CasesMonogram Health
Validating on Unseen DataEasy

Tests your understanding of train-test splits, cross-validation, and leakage prevention.

Cross-ValidationPrecisionAccuracyMonogram Health
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