Carrying Out a Test for the Difference of Two Population Means
Noah Martinez
8 min read
Study Guide Overview
This study guide covers two-sample t-tests for comparing means between independent groups. It reviews the key assumptions of randomness, independence, and normality. The guide explains how to calculate the test statistic, degrees of freedom, p-value, and interpret results to make a conclusion about the null hypothesis. It also includes practice questions and exam tips.
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Question 1 of 10
A researcher is comparing the average test scores between two different schools. ๐ค What statistical test should they use?
A one-sample t-test
A two-sample t-test
A paired t-test
A chi-square test