Median Model Accuracy
A hard SQL mock interview question on DataDriven. Practice with AI-powered feedback, real code execution, and a hire/no-hire decision.
- Domain
- SQL
- Difficulty
- hard
- Seniority
- L5
Interview Prompt
Compute the median accuracy for each model (mdl_name). When a model has an even number of records, average the two middle values. Ignore records where accuracy is null. Return results ordered alphabetically by model name.
Summary
The median accuracy. Not the mean.
How This Interview Works
- Read the vague prompt (just like a real interview)
- Ask clarifying questions to the AI interviewer
- Write your sql solution with real code execution
- Get instant feedback and a hire/no-hire decision