Top 11
Prep plan
Updated weekly · Last refresh Aug 30
Q

Qureos Data Analyst Interview Questions

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

11questions
~2htotal time
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1
SQL & Data ManipulationStart here. 7 questions + 2 drills · ~84 min
Compare Monthly User Retention CohortsMedium
Practice

Calculate month-1 retention for January vs February signup cohorts using joins, date filtering, and aggregation.

Window FunctionsDate FunctionsAggregationsQQureos
Handling Missing and Dirty SQL DataMedium

Explain how to profile, clean, and standardize missing or dirty data before analysis.

Data WranglingCase WhenQualityQQureos
Window Functions vs GROUP BYEasy

Explain how window functions differ from GROUP BY and when to use each in Splice product analysis.

Window FunctionsGroup ByAggregationsQQureos
Choosing Charts from SQL OutputsMedium

Explain how SQL output structure guides chart choice, such as bar charts for grouped comparisons and scatter plots for correlations.

data visualizationstakeholder communicationinsightsQQureos
Ensuring Integrity Across Data SourcesEasy

Explain practical SQL techniques to preserve data integrity when combining multiple data sources.

JoinsData WranglingCase WhenQQureos
Customer Orders: LEFT vs INNER JOINEasy

Explain how INNER JOIN and LEFT JOIN differ, and when to use each for matched-only versus all-left-row analysis.

JoinsData WranglingGroup ByQQureos
Calculate 30-Day User RetentionMedium
Practice
Practice drill

Use CTEs, joins, and date filtering to calculate 30-day retention by signup cohort from login and feature usage data.

Window FunctionsDate FunctionsAggregationsSpliceMeta LogisticsTikTok
Top Daily Rides by VehicleMedium
Practice
Practice drill

Rank the top 3 completed rides per vehicle per day using joins, a CTE, and ROW_NUMBER.

Window FunctionsJoinsData WranglingWaymo
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2
Behavioral & Leadership4 questions · ~36 min
Explaining a Technical Concept ClearlyEasy

Tests communication, ownership, and stakeholder management when translating technical complexity into actionable business understanding.

Problem SolvingData Structurestechnical fundamentalsQQureos
Prioritizing Conflicting Analytics RequestsEasy

Tests prioritization under ambiguity, ownership, and stakeholder management when competing analytics demands create unclear trade-offs.

coding experienceProblem Solvingtechnical discussionQQureos
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The finish line: interview-readyComplete all 11 questions plus 2 hands-on drills to finish this plan.