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
What is the purpose of statistical inference?
💡 Hint: Think about how we draw conclusions from samples.
Question 2
Easy
Define the null hypothesis.
💡 Hint: Remember it’s the default assumption.
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 statistical inference allow us to do?
- Make generalizations about a population
- Confirm data correctness
- None of the above
💡 Hint: Think about the link between sample and population.
Question 2
Type II error occurs when:
- True
- False
💡 Hint: Reflect on what Type II error means.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design an experiment to test if a new educational app improves student performance. Develop your null and alternative hypotheses, and describe how you would collect data and analyze results.
💡 Hint: Consider control and experimental groups to structure your analysis.
Question 2
You conducted a survey about a new product and received a p-value of 0.03. Explain what this number indicates about the null hypothesis at a significance level of 0.05.
💡 Hint: Reflect on the relationship between p-value and significance level.
Challenge and get performance evaluation