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Updated weekly · Last refresh Oct 17

Cummins Data Analyst Interview Questions

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

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1
SQL & Data ManipulationStart here. 5 questions · ~49 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 WranglingCummins
Handling Missing DataMedium
Practice

Standardize missing observation fields with fallback values, missingness flags, and ordered output.

Window Functionsmissing valuesdata cleaningCummins
Left Anti-Join with NullsHard

Evaluates your ability to implement correct anti-join logic in SQL.

JoinssqlCummins
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2
Pipelines3 questions · ~29 min
Real-Time Dashboard Pipeline DesignHard

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

Stream ProcessingSchedulingDependenciesCummins
Data Quality in ETL PipelinesEasy

Approach for maintaining data quality and integrity across ETL pipelines.

IdempotencyData ModelingQualityCummins
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3
Metrics3 questions · ~29 min
Finding Purchase TrendsMedium

Tests your data analysis approach for uncovering actionable insights from Bosch customer purchase data.

KPIsLeading IndicatorsDiagnosisCummins
Engine Performance to EmissionsHard

Tests ability to connect analytics methods to emissions reduction outcomes using engine performance data.

CorrelationLeading IndicatorsDiagnosisCummins
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4
Behavioral & Leadership8 questions · ~78 min
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5
More topics1 question · ~10 min
Time Series Analysis AlgorithmHard

Tests statistical and methodological depth for forecasting or pattern detection in time series.

RegressionCorrelationTime SeriesCummins
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