Practice Precision - 28.4.2 | 28. Introduction to Model Evaluation | CBSE Class 10th AI (Artificial Intelleigence)
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28.4.2 - Precision

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the formula for precision?

💡 Hint: Think about how we assess true positives in relation to false positives.

Question 2

Easy

If a model has 8 true positives and 2 false positives, what is the precision?

💡 Hint: Use the precision formula you learned.

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?

  • The accuracy of all predictions
  • The accuracy of positive predictions
  • The number of true positives

💡 Hint: Focus specifically on what aspect of predictions precision refers to.

Question 2

True or False: Lower precision indicates a higher number of false positives.

  • True
  • False

💡 Hint: Think about the definition of precision.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

You have a model that identifies fraudulent credit card transactions. Out of 100 transactions, it marks 20 as fraudulent, out of which 15 are actually fraudulent. What is the precision? Discuss the implications of precision in this context.

💡 Hint: Calculate using the precision formula and think about the repercussions of false positives.

Question 2

A model used for detecting internet threats classifies 60 out of 120 cases as threats, with 40 true threats and 20 false alarms (false positives). Calculate the precision and discuss how it might affect users' trust in the tool.

💡 Hint: Derive precision from the given data and consider its effect on user behavior.

Challenge and get performance evaluation