8 min read
This study guide covers the two-sample t-test for comparing means of independent groups with quantitative data. It explains hypotheses (null and alternative), conditions for inference (random, independent, normal), and provides an example and practice questions. Key topics include the 10% condition, Central Limit Theorem, and interpreting p-values. The guide also emphasizes important exam tips and common pitfalls.
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Question 1 of 11
🎉 Which of the following scenarios is MOST appropriate for using a two-sample t-test?
Comparing the average income of people in two different cities
Analyzing the relationship between height and weight in a single group
Determining if a single population mean is different from a specific value
Comparing the proportions of people with a certain disease in two different groups