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4 cards from this section. Quick, good the night before a test.
What is the purpose of statistical inference?
Think about how we draw conclusions from samples.
Define the null hypothesis.
Remember it’s the default assumption.
What does statistical inference allow us to do?
Think about the link between sample and population.
Type II error occurs when:
Reflect on what Type II error means.
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.
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.
Reflect on the relationship between p-value and significance level.
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