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Updated weekly · Last refresh Oct 17

CCC Intelligent Solutions Data Scientist Interview Questions

The questions to prepare for a CCC Intelligent Solutions Data Scientist interview. Questions from real interview reports rank first. Updated daily.

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~6htotal time
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1
System DesignStart here. 5 questions · ~41 min
Design a Cold-Start Feed RankerMedium

Design a personalized feed ranking system that handles new users and new content under tight latency at large scale.

Cold StartFeature StoreRetrievalCCC Intelligent Solutions
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2
A/B Testing & Experimentation4 questions · ~33 min
Avoid Pitfalls in Online ExperimentsHard

Explain common online experimentation pitfalls and how to design, analyze, and decide in ways that avoid false wins.

Network InterferenceNovelty EffectSample Ratio MismatchCCC Intelligent Solutions
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3
Statistics & Probability3 questions · ~25 min
Sample Size and Power PlanningMedium

Reason about sample size, power, and minimum detectable effect before launching an experiment.

Hypothesis TestingPower AnalysisSample SizeCCC Intelligent Solutions
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4
Product Sense4 questions · ~33 min
Define Metrics for New FeaturesMedium

Define a success metric for a new feature that captures real user value, not just raw usage.

MetricsFeature Prioritizationuser valueCCC Intelligent Solutions
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5
Metrics3 questions · ~25 min
Diagnose Conversion Drop Post LaunchMedium

Diagnose why conversion fell from 4.8% to 3.1% after a launch by breaking the metric across funnel steps, cohorts, and segments.

Funnel AnalysisConversion RateDiagnosisCCC Intelligent Solutions
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6
Machine Learning11 questions · ~90 min
Handling Missing Values in MLEasy

Explain practical strategies for handling missing values in a supervised learning workflow, from diagnosis to modeling and validation.

Cross-ValidationFeature EngineeringRegularizationCCC Intelligent Solutions
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7
More topics17 questions · ~139 min
Top 3 Products by CategoryMedium

Tests your ability to write SQL for per-group ranking and filtering.

Window FunctionsRankingAggregationsCCC Intelligent Solutions
Test vs Validation DataMedium

Assesses your understanding of proper dataset splits to avoid leakage.

test dataCCC Intelligent Solutions
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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
Top 3 Categories by RevenueMedium
Practice
Practice drill

Use joins, aggregation, and a CTE to find the top three completed CCC ONE sales categories by revenue.

RankingGroup ByAggregationsCCC Intelligent Solutions
Running Total With Window FunctionsEasy
Practice
Practice drill

Calculate each user's running order total over time using a window function.

Window FunctionsDate FunctionsRunning TotalsBayerSparksoftWestern Digital
Find Duplicates in SQLEasy
Practice
Practice drill

Use GROUP BY and HAVING to find duplicate policy records in Ryan Specialty data.

Group ByHavingAggregationsGramenerCarGurusFresh Gravity
The finish line: interview-readyComplete all 47 questions plus 3 hands-on drills to finish this plan.