9 min read
This study guide covers hypothesis testing for two proportions. It explains how to calculate the z-score and p-value, and how to use them to make conclusions about the null hypothesis. It also reviews the necessary conditions for inference, and common errors to avoid. Finally, it includes practice multiple choice and free-response questions with a scoring guide.
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Question 1 of 11
A study aims to determine if there's a difference in the proportion of students who prefer online learning between two different universities. 🤔 Which test should the researchers use?
One-sample z-test for a proportion
Two-sample z-test for proportions
One-sample t-test for a mean
Two-sample t-test for means