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Updated weekly · Last refresh Oct 30

Top 50 Analysis Interview Questions

The most frequently asked Analysis questions across all roles and companies, ranked by real interview frequency. Updated daily.

50questions
~9htotal time
1,155companies covered
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1
SQL & Data ManipulationStart here. 4 questions · ~45 min
Ensuring Data QualityHard
Practice
Recently asked

Audit measurement records for missing, invalid, duplicate, future-dated, and unmatched data using PostgreSQL.

missing valuesData Qualitydata accuracyOrmaeEExaconRandstad Digital Belgium
Analyze Time Series DataMedium
Practice

Summarize valid time series observations by month and identify each series' latest available month.

data preparationDate FunctionsAnalysisLa Banque PostaleTexas Mutual InsurancePhysicsX
Process Data File With SQLMedium
Practice
Recently asked

Analyze loaded file records by category, including counts, amounts, averages, and validation percentages.

data processingJoinsAnalysisJustworks
Join Choice and ImpactMedium
Practice
Recently asked

Explain join selection and preserve accounts without filings when measuring filing coverage.

missing valuesdata accuracyJoinsAvalara

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2
Coding6 questions · ~67 min
Improve Given CodeHard
Practice
Recently asked

Correct overdue task filtering, per-assignee aggregation, late-day calculation, and top-assignee selection in one pass.

aggregationAnalysisAlgorithmsAsana
Estimating Algorithm ComplexityEasy
Practice
Recently asked

Estimate the time and space complexity of an algorithm with two independent nested loops.

code analysisBasic AlgorithmsAnalysisAlgolia
Analyzing Time ComplexityMedium
Practice

Explain how to derive the time and space complexity of a duplicate-detection algorithm.

Codingtime complexityArraysFora Travel
Compare Two Code SnippetsMedium
Practice

Compare quadratic and hash-set duplicate detection, then implement the faster solution.

code analysisArraysAnalysisG2I
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3
Behavioral & Leadership8 questions · ~90 min
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4
Statistics & Probability3 questions · ~34 min
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5
Finance & Accounting10 questions · ~112 min
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6
A/B Testing & Experimentation3 questions · ~34 min
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7
More topics16 questions · ~180 min
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