8 min read
This AP Statistics study guide covers confidence intervals for the difference of two means. It explains how to construct and interpret these intervals, including what it means when an interval contains zero. The guide also emphasizes the relationship between sample size and interval width, and provides practice questions with answers and explanations.
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Question 1 of 7
What is the null hypothesis when comparing two population means using a confidence interval? 🤔
The population means are different
There is a significant difference between the sample means
The population means are equal
The sample means are equal