Modern AI Fundamentals
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2.4 Quiz
1. What is the main difference between supervised and unsupervised learning?
A
Supervised learning deals with data that have no labels, while unsupervised learning has labeled data.
B
Supervised learning uses labeled data to train models, while unsupervised learning uses unlabeled data to discover patterns.
C
Supervised learning is only for image recognition, while unsupervised learning is only for text classification.
D
Supervised learning always creates clusters, while unsupervised learning always creates predictions.
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2. In Machine Learning (ML), why is data quality so crucial?
A
ML models can fix incorrect data automatically.
B
ML models only need large data volumes, not high-quality data.
C
If the data is biased or contains errors, the model’s predictions can become unreliable or discriminatory.
D
Poor data simply makes the model train faster.
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3. Which of the following best describes a feature in ML?
A
A design element of the user interface.
B
A property or variable used as input to a model (e.g., pixel intensity, age, income).
C
A hidden output from the model.
D
The final numerical prediction or label the model outputs.
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