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Updated weekly · Last refresh Aug 30

PwC Data Analyst Interview Questions

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

50questions
~7htotal time
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1
PipelinesStart here. 7 questions · ~56 min
Backfilling Missing Pipeline DataMedium
Recently asked

Approach for safely backfilling missing data while preserving correctness, idempotency, and data quality.

ETLQualityPwC
Data Cleaning in ETL PipelinesEasy
Recently asked

Approach for cleaning and preparing raw data inside an ETL pipeline.

Data WranglingETLQualityPwC
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2
Product Sense7 questions · ~56 min
3
SQL & Data Manipulation5 questions + 3 drills · ~70 min
Analyzing Large Datasets with SQLEasy
Recently asked

Explain practical SQL methods for analyzing large datasets, including filtering, aggregation, sampling, and performance-aware query design.

JoinsData WranglingAggregationsPwC
Handling Missing Data in SQLEasy
Recently asked

Explain how to identify, assess, and handle missing values in SQL using NULL checks, COALESCE, and validation logic.

Data WranglingCase WhenQualityPwC
Window Functions for Rolling StatsMedium
Practice
Practice drill

Use PostgreSQL window functions to calculate client running totals and trailing 30-day average transaction volumes.

Window FunctionssqlRunning TotalsPwC
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
Handle Missing Financial Input ValuesMedium
Practice
Practice drill

Use joins, CTEs, and CASE logic to flag and fill missing financial fields for Qlik planning records.

Data WranglingETLQualityQlik
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4
A/B Testing & Experimentation5 questions · ~40 min
Network Interference in Collaboration TestMedium
Recently asked

Explain when network interference threatens an A/B test, how it biases estimates, and how to redesign the experiment safely.

Network InterferenceExperimentationA/B TestingPwC
Design Experiment for Product ChangeHard
Recently asked

Design an end-to-end A/B test for a new product change, including metrics, MDE, power, randomization, and launch decision rules.

ExperimentationGuardrail MetricsA/B TestingPwC
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5
Metrics5 questions · ~40 min
Identify Trends in DataMedium

Tests exploratory analysis methods for detecting patterns and trends in data.

Leading IndicatorsDiagnosisPwC
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6
Behavioral & Leadership21 questions · ~168 min
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The finish line: interview-readyComplete all 50 questions plus 3 hands-on drills to finish this plan.