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Updated weekly · Last refresh Aug 30

NHS Data Analyst Interview Questions

The questions to prepare for a NHS Data Analyst interview. Questions from real interview reports rank first. Updated weekly.

11questions
~1htotal time
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1
SQL & Data ManipulationStart here. 5 questions + 3 drills · ~70 min
Explaining Visualization Tool ExperienceEasy

Explain how you use SQL analysis to build dashboards, choose visuals, and communicate insights to stakeholders.

ToolsData WranglingNHS
Excel Accuracy for Complex DataMedium

Tests your practical data handling skills and error prevention in Excel.

data accuracyData ManipulationExcelNHS
Handling Missing ValuesMedium

Evaluates your strategy for missing data and its impact on analysis outcomes.

missing valuesData Analysisdata handlingNHS
Interpreting Operational TrendsMedium

Assesses your ability to analyze operational metrics and extract actionable trends.

performance analysisNHS
Cleaning Messy DatasetsMedium

Evaluates your data cleaning approach and attention to data quality.

analytical skillsdata preparationdata cleaningNHS
Clean Incomplete Salesforce Lead RecordsMedium
Practice
Practice drill

Clean Salesforce lead data with CTEs, LEFT JOINs, CASE, and COALESCE to standardize missing values for analysis.

missing valuesdata preparationdata cleaningSalesforce
Normalize Customer Addresses by RegionHard
Practice
Practice drill

Standardize inconsistent addresses using joins, CTEs, and CASE logic to map each record to a normalized region.

data cleaningData WranglingExcelTelus Digital
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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2
Behavioral & Leadership6 questions · ~48 min
Delivering Under Severe Time PressureMedium

Tests prioritization under pressure, ownership, and stakeholder management when a deadline is fixed and the work is at risk.

stress managementConflict Resolutiontime managementNHS
Prioritizing When Everything Is UrgentEasy

Tests prioritization under pressure: how you create clarity, make trade-offs, and align stakeholders when multiple requests feel equally urgent.

Stakeholder ManagementOwnershipDealing With AmbiguityNHS
Explaining a Technical Concept ClearlyEasy
Recently asked

Tests communication, ownership, and stakeholder management when translating technical complexity into actionable business understanding.

Problem SolvingData Structurestechnical fundamentalsNHS
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The finish line: interview-readyComplete all 11 questions plus 3 hands-on drills to finish this plan.