Practice - Inferential Statistics
Practice Questions
Test your understanding with targeted questions
What is the main purpose of inference in statistics?
💡 Hint: Think about what the term infer means.
Define the null hypothesis.
💡 Hint: It's often considered the default assumption in statistical testing.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the purpose of hypothesis testing?
💡 Hint: Think about the role of hypothesis in research.
True or False: A p-value of 0.03 means the null hypothesis should be accepted.
💡 Hint: Consider the relationship between p-value and significance level.
Get performance evaluation
Challenge Problems
Push your limits with advanced challenges
A new teaching method is tested on a group of students, leading to an increase in test scores. If this method is comparable to a traditional method (H0), what statistical test would you use to compare the two methods?
💡 Hint: Consider the nature of your data groups.
In a study measuring the effects of sleep on performance, researchers find a p-value of 0.07. Should they reject the null hypothesis at α=0.05? What does this suggest about their findings?
💡 Hint: Reflect on the definitions of p-value and significance.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.