Top 14

Prep plan

Updated weekly · Last refresh Oct 17

Alpaca Data Analyst Interview Questions

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

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Behavioral & LeadershipStart here. 7 questions · ~62 min

Leading an Ambiguous Data ProjectMedium

Tests ownership and stakeholder management in leading a data project from vague problem definition through delivery and measurable impact.

impactLeadershipOwnership

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More topics7 questions · ~62 min

Prioritize User Problems with DataMedium

Framework for using product data to identify and prioritize the user problem that should be solved first.

Feature PrioritizationUser NeedsPain Points

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Using Metrics to Drive DecisionsEasy

Explain how you used a KPI and supporting metrics to diagnose a product issue and make a concrete product decision.

Funnel AnalysisKPIsLeading Indicators

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Data Quality in ETL PipelinesEasy

Approach for maintaining data quality and integrity across ETL pipelines.

IdempotencyData ModelingQuality

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SQL for Business InsightsMedium

Tests your SQL proficiency and your ability to turn queries into actionable insights.

JoinsGroup ByAggregations

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Identifying Trends in DataMedium

Tests your approach to exploratory analysis and extracting actionable patterns from data.

ExperimentationRegressionData Wrangling

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Analyzing Trends in DataMedium

Tests your exploratory analytics workflow and how you validate trend findings.

Lagging IndicatorsLeading IndicatorsDiagnosis

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Handling Missing DataEasy

Practice

Replace missing sales fields with defined defaults and return a consistently ordered dataset.

missing valuesdata cleaningnull handling

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Hands-on SQL practiceWrite and run real queries in the editor. 2 drills · ~20 min

Select Group By on Big DataMedium

Practice

Practice drill

Write a PostgreSQL query that groups a large dataset and returns aggregated results per key.

aggregationlarge datasetsGroup By

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SQL Join and Daily AggregationEasy

Practice

Practice drill

Aggregate Alpaca filled executions by calendar day using date casting, filtering, grouping, and SUM.

Date FunctionsJoinsAggregations

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The finish line: interview-readyComplete all 14 questions plus 2 hands-on drills to finish this plan.