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Updated weekly · Last refresh Aug 30

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 weekly.

48questions
~7htotal time
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1
System DesignStart here. 5 questions · ~41 min
Design Cold Start for RecommendationsHard

Design a recommendation system strategy for model cold start and new-user cold start, including serving, evaluation, and safe rollout.

Cold StartRetrievalTwo-Tower ModelsCCC Intelligent Solutions
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2
Product Sense4 questions · ~33 min
Prioritize Features for a New ProductMedium

A framework for deciding which features should ship first when building a new product.

Feature PrioritizationUser Needsproduct developmentCCC Intelligent Solutions
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3
Machine Learning12 questions · ~98 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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4
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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5
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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6
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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7
More topics17 questions · ~139 min
Evaluating Model SuccessMedium

Tests your understanding of metrics, validation strategy, and model performance tradeoffs.

PrecisionAccuracyRecallCCC Intelligent Solutions
Top 3 Products by CategoryMedium

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

Window FunctionsRankingAggregationsCCC 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 TotalsInspire11Western DigitalFactual
Find Duplicates in SQLEasy
Practice
Practice drill

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

Group ByHavingAggregationsGramenerCarGurusFactored
The finish line: interview-readyComplete all 48 questions plus 3 hands-on drills to finish this plan.