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Updated weekly · Last refresh Aug 30

Principal Financial Group Data Analyst Interview Questions

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

26questions
~4htotal time
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1
SQL & Data ManipulationStart here. 5 questions + 2 drills · ~62 min
SQL for Duplicate RecordsEasy
Practice

Identify repeated Principal claims using GROUP BY, a CTE, and a LEFT JOIN to member details.

Group ByHavingAggregationsPrincipal Financial Group
Validating Data Before ReportingEasy

Explain how to validate SQL data before reporting, including null checks, duplicates, outliers, and aggregation reconciliation.

JoinsData WranglingQualityPrincipal Financial Group
Cleaning a DatasetEasy

Tests data cleaning skills, attention to edge cases, and impact of the work.

Data WranglingAggregationsQualityPrincipal Financial Group
Window Functions for AnalyticsEasy
Practice
Practice drill

Use a CTE and ROW_NUMBER to rank active retirement plan participants by first-quarter contributions.

Window FunctionsRankingCTEsPrincipal Financial Group
Monthly Sales Trends by CategoryMedium
Practice
Practice drill

Aggregate monthly sales by product category and use LAG to calculate month-over-month changes.

InfrastructureToolsData WranglingTotal Wine & MoreInc.Benjamin Moore
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2
Behavioral & Leadership17 questions · ~144 min
Prioritizing Conflicting High-Stakes WorkEasy

Tests prioritization under pressure, stakeholder management, and ownership when multiple urgent requests compete for limited time.

Stakeholder ManagementOwnershipDealing With AmbiguityPrincipal Financial Group
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3
More topics4 questions · ~34 min
Designing a Data ExperimentMedium

Tests experimental design thinking, metric definition, and validity considerations.

ExperimentationHypothesis TestingSample SizePrincipal Financial Group
Finding Trends and InsightsMedium

Tests exploratory analysis, metric selection, and ability to communicate insights clearly.

Lagging IndicatorsLeading IndicatorsDiagnosisPrincipal Financial Group
Statistical Methods and ApplicationEasy

Tests your command of statistical methods and ability to apply them to real research work.

RegressionHypothesis TestingStatistical SignificancePrincipal Financial Group
Analyzing Contradictory DataMedium

Tests analytical reasoning, hypothesis refinement, and validation of conclusions.

RegressionCorrelationCausal InferencePrincipal Financial Group

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The finish line: interview-readyComplete all 26 questions plus 2 hands-on drills to finish this plan.