Median Model Accuracy

A hard SQL interview practice problem on DataDriven. Write and execute real sql code with instant grading.

Domain

SQL

Difficulty

hard

Seniority

L5

Problem

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.

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