Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define accuracy in your own words.
💡 Hint: Think about the ratio of correct predictions.
Question 2
Easy
What does True Positive mean?
💡 Hint: Consider what 'positive' means in the context of 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?
💡 Hint: Recall this formula when considering the number of true and false predictions.
Question 2
True or False: High accuracy always means a model is performing well.
- True
- False
💡 Hint: Think about how class distribution affects this statement.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A model has 120 true positives, 80 true negatives, 50 false positives, and 50 false negatives. Calculate its accuracy and determine if the accuracy reflects good model performance given the context of class distribution.
💡 Hint: Reassess the implications of accuracy in light of balanced vs. imbalanced datasets.
Question 2
Design a brief evaluation framework for a model predicting heart disease. Discuss why accuracy might not be your primary metric.
💡 Hint: Think about what happens if a sick person is fails to be identified.
Challenge and get performance evaluation