Machine Learning Fundamentals interview questions

Core concepts, metrics, and model behaviour.

See how often each question is asked, and which companies asked it.Part of Buncho Pro.Unlock

Not started1.Explain the bias-variance trade-offMachine Learning Fundamentals · Conceptual · 6 minAsked %CompaniesMachine Learning FundamentalsConceptual6 minPro featurePro featureEasy
Not started2.Your model shows bias in its predictions. How do you detect and address it?Machine Learning Fundamentals · Debugging · 10 minAsked %CompaniesMachine Learning FundamentalsDebugging10 minPro featurePro featureMedium
Not started3.Why can adding more training data reduce accuracy at first?Machine Learning Fundamentals · Conceptual · 8 minAsked %CompaniesMachine Learning FundamentalsConceptual8 minPro featurePro featureMedium
Not started4.How do you handle missing values in a dataset?Machine Learning Fundamentals · Practical exercise · 8 minAsked %CompaniesMachine Learning FundamentalsPractical exercise8 minPro featurePro featureEasy
Not started5.How does Python support ethical and responsible AI?Machine Learning Fundamentals · Conceptual · 8 minAsked %CompaniesMachine Learning FundamentalsConceptual8 minPro featurePro featureMedium
Not started6.Choosing metrics for an imbalanced fraud modelMachine Learning Fundamentals · Practical exercise · 10 minAsked %CompaniesMachine Learning FundamentalsPractical exercise10 minPro featurePro featureMedium
Not started7.What is the difference between supervised and unsupervised learning?Machine Learning Fundamentals · Conceptual · 5 minAsked %CompaniesMachine Learning FundamentalsConceptual5 minPro featurePro featureEasy
Not started8.A client asks for explainable AI. How do you implement it?Machine Learning Fundamentals · Practical exercise · 10 minAsked %CompaniesMachine Learning FundamentalsPractical exercise10 minPro featurePro featureMedium
Not started9.What is regularization in machine learning, and how do L1 and L2 differ?Machine Learning Fundamentals · Conceptual · 8 minAsked %CompaniesMachine Learning FundamentalsConceptual8 minPro featurePro featureMedium
Not started10.A text classifier has low accuracy. How do you improve it?Machine Learning Fundamentals · Practical exercise · 10 minAsked %CompaniesMachine Learning FundamentalsPractical exercise10 minPro featurePro featureMedium