Thoucentric Interview Questions
The questions to prepare for Thoucentric interviews, across all roles. Questions from real interview reports rank first. Updated daily.
Optimize a slow PostgreSQL query on a large dataset by choosing better filters, joins, and indexes.
Calculate monthly user totals, running totals, and time-based rankings with PostgreSQL window functions.
Design an A/B test for a new platform feature, including success metrics, power, guardrails, and a clear ship decision.
Explain what a p-value means in hypothesis testing and how it relates to statistical significance.
Explain how to select metrics, validate predictions, and analyze errors when evaluating a machine learning model.
Identify the causes of a quarterly engagement decline through metric validation, decomposition, segmentation, and trend analysis.
Assess linear regression assumptions using residual diagnostics, statistical tests, and corrective modeling choices.
Explain how accuracy, precision, recall, and F1 score differ and why accuracy can mislead on imbalanced data.
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