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Updated weekly · Last refresh Oct 17

the LEGO Group Customer Insights Analyst Interview Questions

The questions to prepare for a the LEGO Group Customer Insights Analyst interview. Questions from real interview reports rank first. Updated daily.

50questions
~7htotal time
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1
A/B Testing & ExperimentationStart here. 8 questions · ~67 min
Analyze Pre-Post Campaign Behavior ChangeMedium

Assess whether customer behavior changed after a campaign launch without mistaking seasonality or timing effects for impact.

ExperimentationCausal InferenceA/B Testingthe LEGO Group
Campaign Lift in Awareness and IntentHard

Assess whether a campaign lifted awareness and purchase intent using a pre-registered experiment with power and guardrails.

ExperimentationGuardrail MetricsA/B Testingthe LEGO Group
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2
Statistics & Probability11 questions · ~92 min
Validating Customer Trends StatisticallyHard

Explain how to validate an observed customer trend using significance testing, confidence intervals, and time-aware analysis.

Confidence IntervalsRegressionHypothesis Testingthe LEGO Group
When Regression Fits Customer InsightsMedium

Explain when regression is the right tool in customer insights, especially for isolating relationships among multiple customer factors.

RegressionCorrelationCausal Inferencethe LEGO Group
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3
Product Sense10 questions · ~84 min
Choose Survey or Usage DataMedium

Framework for choosing surveys, product usage data, or both based on the customer question and the decision to be made.

User ResearchUser NeedsPain Pointsthe LEGO Group
Prioritize Customer Insights for ActionMedium

Framework for deciding which customer insights a product team should act on first.

Feature PrioritizationUser NeedsProduct Visionthe LEGO Group
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4
SQL & Data Manipulation7 questions + 3 drills · ~89 min
5
Metrics11 questions · ~92 min
Measure Marketing Campaign SuccessEasy

Define campaign success using business KPIs, funnel conversion, acquisition cost, and leading indicators tied to outcomes.

Funnel AnalysisKPIsLeading Indicatorsthe LEGO Group
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6
Behavioral & Leadership3 questions · ~25 min
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The finish line: interview-readyComplete all 50 questions plus 3 hands-on drills to finish this plan.