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Updated weekly · Last refresh Oct 17

IDT Data Analyst Interview Questions

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

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1
SQL & Data ManipulationStart here. 4 questions + 3 drills · ~62 min
Data Warehouse BasicsMedium

Assesses understanding of data warehousing concepts and appropriate use cases.

data warehouseIDT
SQL Inner JoinMedium

Tests SQL join fundamentals and expected query outcomes.

sqlIDT
Pandas iloc vs locMedium

Assesses practical pandas indexing knowledge for reliable data manipulation.

pandasData ManipulationIDT
Data Preprocessing StepsMedium

Tests knowledge of preparing data for analysis and modeling.

data preprocessingIDT
SQL, Pandas, and Case Study Live CodingMedium
Practice
Practice drill

Summarize January pin activity and saves per creator while retaining creators whose qualifying pins received no saves.

pandasJoinsData ManipulationPinterest
SQL, Python, and Pandas/Spark CaseMedium
Practice
Practice drill

Combine SQL aggregation with Python and Pandas or Spark validation for customer order analysis.

pandasJoinsData ManipulationQuantumBlack
Pandas and SQL Dataset WorkHard
Practice
Practice drill

Reproduce a customer and order analysis in SQL, including aggregation, classification, and regional ranking.

pandasData ManipulationData WranglingNeenOpal
2
More topics3 questions · ~24 min
Regression Models and EvaluationHard

Evaluates ability to build and evaluate regression models and interpret results.

analyticsIDT
Data Analyst Self-AssessmentMedium

Assesses self-awareness, growth mindset, and alignment with the data analyst role.

behavioral questionsIDT
Qualities of a Data AnalystMedium

Evaluates understanding of the role and the behaviors needed to succeed.

IDT

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The finish line: interview-readyComplete all 7 questions plus 3 hands-on drills to finish this plan.