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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