Top 25
Prep plan
Updated weekly · Last refresh Oct 17

EDF Data Analyst Interview Questions

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

25questions
~4htotal time
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1
MetricsStart here. 4 questions · ~36 min
2
Product Sense5 questions · ~45 min
What Is a Data Analyst at EDFEasy

Tests understanding of the role and how it supports EDF's data-driven decision making.

User NeedsValue PropositionUse CasesEDF
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3
SQL & Data Manipulation8 questions + 1 drill · ~82 min
Use Window Functions for Time SeriesMedium

Tests ability to apply window functions to time-series analytics relevant to EDF renewable and grid operations.

Window FunctionsLag/LeadRankingEDF
Identify Customers With Frequent OutagesMedium
Practice

Identify customers experiencing more than three grid outages in one billing month using joins, date matching, and aggregation.

Date FunctionsJoinsAggregationsEDF
Top Credit Score Applicants by StateMedium
Practice
Practice drill

Identify the highest-credit-score 5% of applicants within each state using percentiles and window ranking.

Window FunctionsJoinsRankingAmerican Credit Acceptance
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4
Statistics & Probability3 questions · ~27 min
Numerical Reasoning in AssessmentsEasy

Tests numerical reasoning strategies and accuracy under timed assessment conditions.

CorrelationVarianceExpected ValueEDF
Forecast Demand From WeatherHard

Tests ability to build forecasting logic using weather signals to predict near-term energy demand.

RegressionCorrelationTime SeriesEDF
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5
Behavioral & Leadership3 questions · ~27 min
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6
More topics2 questions · ~18 min
Real-Time Dashboard Pipeline DesignHard

Approach for building near-real-time dashboard pipelines with streaming, orchestration, and data quality controls.

Stream ProcessingSchedulingDependenciesEDF
Data Quality in ETL PipelinesEasy

Approach for maintaining data quality and integrity across ETL pipelines.

IdempotencyData ModelingQualityEDF

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The finish line: interview-readyComplete all 25 questions plus 1 hands-on drill to finish this plan.