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Updated weekly · Last refresh Oct 17

Adentis Portugal Data Analyst Interview Questions

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

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1
SQL & Data ManipulationStart here. 4 questions + 2 drills · ~55 min
Top Customers by Net SalesMedium
Practice

Compute top 10 customers by net sales using joins and aggregations, ordering by revenue with deterministic tie-breaking.

SubqueriesJoinsData WranglingAdentis Portugal
Approach Messy Incomplete DataEasy

Tests your problem framing, data preparation skills, and risk-aware decision making.

Data WranglingCTEsQualityAdentis Portugal
Using Data VisualizationEasy
Practice
Practice drill

Use aggregated KPI trends to support decision-making from operational data.

analytics toolsToolsData WranglingAccenturePerkinElmerAdentis Portugal
Top Customers SQL QueryEasy
Practice
Practice drill

Aggregate customer sales volume and return Pyramid Consulting's top 10 customers in descending order.

RankingGroup ByAggregationsPyramid ConsultingBNYCambia Health Solutions
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2
Behavioral & Leadership4 questions · ~35 min
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3
More topics7 questions · ~62 min
ETL and Data PipelinesMedium

Assesses your ability to design and operate ETL workflows for reliable data movement and transformation.

experienceETLAdentis Portugal
Analyze a Drop in SalesMedium

Tests your diagnostic approach, metric breakdowns, and ability to find actionable drivers.

KPIDiagnosisTime SeriesAdentis Portugal
Statistical Techniques ChoiceEasy

Tests your understanding of statistics and ability to justify technique selection.

RegressionCorrelationHypothesis TestingAdentis Portugal
Visualization to Drive DecisionsMedium

Tests your ability to translate analysis into clear visuals that drive business actions.

User ResearchUser NeedsValue PropositionAdentis Portugal
Identify Trends Over TimeMedium

Tests your ability to design time-series style analyses and interpret sales movements.

Leading IndicatorsDiagnosisTime SeriesAdentis Portugal
Handling Missing DataEasy

Tests your methods for missingness handling and impact on inference.

Confidence IntervalsData WranglingVarianceAdentis Portugal
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The finish line: interview-readyComplete all 15 questions plus 2 hands-on drills to finish this plan.