Practice Evaluation - 7.5 | 7. AI Project Cycle | CBSE 12 AI (Artificial Intelligence)
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7.5 - Evaluation

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is accuracy in model evaluation?

💡 Hint: Think about how many correct predictions were made out of all predictions.

Question 2 Easy

Define precision.

💡 Hint: Remember this focuses on only the positives predicted.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does precision measure in model evaluation?

True positives out of all positives
All correct predictions
True negatives out of all negatives

💡 Hint: Recall that precision is concerned with positive predictions only.

Question 2

True or False: The F1 Score is the average of accuracy and recall.

True
False

💡 Hint: Think about how F1 combines precision and recall instead of including accuracy.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

You have a confusion matrix with TP=50, TN=30, FP=10, FN=10. Calculate accuracy, precision, and recall.

💡 Hint: Use the definitions of each metric to guide your calculations.

Challenge 2 Hard

Discuss the potential biases in AI evaluating models based exclusively on accuracy.

💡 Hint: Consider how performance metrics like precision and recall could help reveal more about a model's true effectiveness.

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