Top 23
Prep plan
Updated weekly · Last refresh Oct 17

Cohere Health Data Analyst Interview Questions

The questions to prepare for a Cohere Health Data Analyst interview. Questions from real interview reports rank first. Updated daily.

23questions
~3htotal time
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1
MetricsStart here. 3 questions · ~26 min
Analyze Customer Trends Over TimeMedium

Build a structured approach to track how customer engagement and retention change over time and separate signal from noise.

Leading IndicatorsDiagnosisTime SeriesCohere Health
Dashboard for Healthcare Ops MetricsMedium

Tests metric selection, dashboard design thinking, and understanding of healthcare operations.

North Star MetricKPIsLeading IndicatorsCohere Health
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2
Pipelines3 questions · ~26 min
Debugging Production Data PipelinesMedium

A structured approach to debugging production data pipelines, with focus on orchestration, data quality, idempotency, and safe backfills.

InfrastructureToolsQualityCohere Health
Data Quality in ETL PipelinesEasy

Approach for maintaining data quality and integrity across ETL pipelines.

IdempotencyData ModelingQualityCohere Health
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3
SQL & Data Manipulation6 questions + 2 drills · ~71 min
Window Functions and HAVING vs WHEREMedium

Assesses understanding of advanced SQL constructs and query filtering.

Cohere Health
SQL Top Five CustomersEasy
Practice

Find Farallon Capital Management's top five customers by aggregated sales volume using filtering, GROUP BY, ORDER BY, and LIMIT.

RankingGroup ByAggregationsCohere Health
Window Functions for ClaimsMedium
Practice
Practice drill

Use window functions to return each patient's latest claim and the preceding claim date.

Window FunctionsLag/LeadDate FunctionsCohere Health
Monthly Sales Trends by CategoryMedium
Practice
Practice drill

Aggregate monthly sales by product category and use LAG to calculate month-over-month changes.

InfrastructureToolsData WranglingTotal Wine & MoreInc.Benjamin Moore
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4
Behavioral & Leadership9 questions · ~77 min
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5
More topics2 questions · ~17 min
Handle Missing Values and OutliersHard

Evaluates statistical rigor and tool choice for robust analysis with missingness and outliers.

Data AnalysisCohere Health
Statistics for Business ProblemsMedium

Tests ability to apply statistics to real business outcomes and communicate results.

ExperimentationRegressionCausal InferenceCohere Health
The finish line: interview-readyComplete all 23 questions plus 2 hands-on drills to finish this plan.