C5i Data Scientist Interview Questions
The questions to prepare for a C5i Data Scientist interview. Questions from real interview reports rank first. Updated weekly.
Use joins, monthly aggregation, and ROW_NUMBER to identify Domo's top three products by revenue each month.
C5iFind the second highest distinct salary from a single table using basic PostgreSQL ordering and limiting.
eClinicalWorks
Informatica
Spectraforce TechnologiesFind the second highest salary in each department without using aggregate functions.
Credit Genie
Devoteam
Cisco Restaurant + BarIdentify the main pitfalls that can distort A/B test interpretation and explain how to guard against them.
C5iSign up to see every question
Create a free account to unlock this list and practice real interview questions.
Build a supervised model from a dataset, from feature prep through validation and deployment choices.
C5iExplain a practical feature selection process using validation, regularization, and model-based importance to improve generalization.
C5iInvestigate why a key KPI moved the wrong way after a product change and separate signal from noise.
C5iExplain how to test whether an observed experiment lift is real using hypothesis testing, p-values, and confidence intervals.
C5iEvaluates your knowledge of appropriate evaluation metrics for different ML tasks.
C5iTests your product analytics thinking and decision-making based on data.
C5i