Dataford
Interview QuestionsInterview GuidesExperiencesMock InterviewsPricing
Get started

Explain the Bias-Variance Trade-off

MediumModel Evaluation00:00
Practice interviewer
In session
5 left
00:00

Your question is Explain the Bias-Variance Trade-off. Take a moment with it on the right.

Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).

You need to log in / sign up to chat or submit.

Problem

Scenario

You are reviewing two candidate models and their validation results. One is simpler and underfits, while the other fits the training data much more closely but is less stable across folds. The team wants to know how to interpret this pattern during model evaluation.

Question

What is the significance of the bias-variance trade-off in model evaluation?