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

Test your understanding with targeted questions related to the topic.

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.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

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.

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Challenge Problems

Push your limits with challenges.

Question 1

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.

Question 2

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.

Challenge and get performance evaluation