Practice Key Metrics Derived from a Confusion Matrix - 30.3 | 30. Confusion Matrix | CBSE Class 10th AI (Artificial Intelleigence)
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What does accuracy measure in a classification model?

💡 Hint: Also recall that TP + TN contributes to this measure.

Question 2

Easy

Define precision.

💡 Hint: Focus on the ratio of true positive predictions.

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 is the formula for accuracy?

  • (TP + TN) / Total
  • (TP) / (TP + FN)
  • (TP) / (TP + FP)

💡 Hint: Think about what constitutes a correct prediction.

Question 2

True or False: Recall measures the proportion of true positives out of all predicted positives.

  • True
  • False

💡 Hint: Revisit the definitions of precision and recall.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Your model predicts 200 spam emails, 160 are truly spam and 40 are not. Calculate accuracy, precision, recall, and F1 score.

💡 Hint: Work through each metric step-by-step using the formulas.

Question 2

You have a binary classification model with TP = 30, FP = 5, FN = 5, TN = 60. What can you say about its performance in terms of F1 Score? Is it suitable for healthcare application?

💡 Hint: Assess both precision and recall when discussing suitability.

Challenge and get performance evaluation