4.8 - Summary
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Practice Questions
Test your understanding with targeted questions
What is the purpose of statistical inference?
💡 Hint: Think about how we draw conclusions from samples.
Define the null hypothesis.
💡 Hint: Remember it’s the default assumption.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What does statistical inference allow us to do?
💡 Hint: Think about the link between sample and population.
Type II error occurs when:
💡 Hint: Reflect on what Type II error means.
1 more question available
Challenge Problems
Push your limits with advanced challenges
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.
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.
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