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Updated weekly · Last refresh Sep 22

Mini-Circuits Data Analyst Interview Questions

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

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1
SQL & Data ManipulationStart here. 3 questions + 2 drills · ~50 min
SQL for Supplier DefectsMedium
Practice

Identify Mini-Circuits suppliers with defect rates above 2%, then return the five highest by received-unit volume.

JoinsHavingAggregationsMini-Circuits
Rolling Average with Window FunctionsMedium

Tests advanced SQL window function knowledge for time-based rolling metrics.

Window FunctionsDate FunctionsRunning TotalsMini-Circuits
SKU Reconciliation Across SystemsHard

Tests data cleaning and entity resolution strategies across procurement and inventory datasets.

JoinsData WranglingCTEsMini-Circuits
SQL Window Trends in TelemetryMedium
Practice
Practice drill

Compare daily, weekly, and seven-day rolling autonomous vehicle mileage using PostgreSQL window functions.

Window FunctionsDate FunctionsJoinsMay Mobility
SQL Plan Upgrade DetectionMedium
Practice
Practice drill

Identify customers with at least two plan upgrades in the same calendar month using PostgreSQL CTEs and aggregations.

Window FunctionsDate FunctionsJoinsMongoDBAmazon Services
2
More topics3 questions · ~30 min
Procurement Dashboard KPIsMedium

Tests ability to translate business goals into actionable procurement metrics.

KPIsLeading IndicatorsDiagnosisMini-Circuits
Safety Stock for Variable DemandHard

Tests statistical thinking for inventory planning under demand variability.

VarianceExpected ValueTime SeriesMini-Circuits
Investigate Lead Time SpikeHard

Tests structured root-cause analysis using data, segmentation, and time-series reasoning.

KPIsLeading IndicatorsDiagnosisMini-Circuits

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