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Free AI Proficiency Assessment ยท 2025

AI & ML Proficiency Quiz

For Data Scientists

A rigorous 20-question assessment covering classical ML, deep learning, experiment design, MLOps, and modern generative AI โ€” designed to benchmark real data science competency in 2025.

๐Ÿ“20 Questions
โฑ๏ธ20โ€“25 minutes
๐ŸŽฏIntermediate to Advanced
โœ…AI-Evaluated
๐Ÿ†“Free โ€” No signup

Ready to test your knowledge?

20 questions ยท 20โ€“25 minutes ยท Intermediate to Advanced

You'll need your email address to receive results. Multiple choice answers can be changed before submitting. Written answers are evaluated by AI.

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Set aside 20โ€“25 minutes
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๐Ÿ‘ค Who is this for?

Designed for data scientists, ML engineers, and analytics engineers across all experience levels. Whether you're a junior data scientist preparing for interviews or a senior practitioner benchmarking your knowledge of modern ML and generative AI, this quiz covers the full spectrum.

๐Ÿ’ก Why AI literacy matters

Data science is evolving fast. The skills required in 2025 span classical ML, causal inference, MLOps, and now LLM evaluation. Gaps in fundamentals โ€” like data leakage, proper experiment design, or model monitoring โ€” lead to shipped models that fail silently in production.

Topics Covered in This Assessment

โ†’Bias-variance tradeoff and model complexity
โ†’Evaluation metrics: accuracy, precision, recall, F1, AUC-ROC
โ†’Data leakage: sources, detection, and prevention
โ†’Cross-validation and holdout set discipline
โ†’Regularization: L1 (Lasso), L2 (Ridge), elastic net
โ†’Class imbalance: SMOTE, class weights, threshold tuning
โ†’Gradient boosting: XGBoost, LightGBM, CatBoost
โ†’A/B testing: statistical significance, effect size, novelty effect
โ†’Concept drift and data drift: detection and response
โ†’Model explainability: SHAP, LIME, feature importance
โ†’Transfer learning and LLM fine-tuning fundamentals
โ†’Causal inference vs. correlation

Frequently Asked Questions

What AI and ML topics should data scientists know in 2025?

Data scientists in 2025 need strong foundations in model evaluation and selection, experiment design (A/B testing, causal inference), feature engineering, bias and fairness, MLOps and model monitoring, and practical knowledge of LLMs and generative AI โ€” including how to evaluate and fine-tune them.

Is this quiz useful for machine learning interview preparation?

Yes. The quiz covers core concepts that appear in data science and ML engineer interviews: bias-variance tradeoff, cross-validation, regularization, class imbalance, experiment design, and LLM evaluation. The written questions mirror take-home or system design prompts.

Related Topics

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Builds quizzes and flashcards for his Year 11 class
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Keeps notes and deadlines together with Miskies AI
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Generates teaching materials from videos
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