10. Comparing Two Population Means
10.9 Confidence Intervals for Paired t-Tests
The usual form applies :
![\[\overline{D} - E < \mu_{D} < \overline{D} + E\]](https://openpress.usask.ca/app/uploads/quicklatex/quicklatex.com-39d1a405a76ab0f70749bf11eedfb16c_l3.png "Rendered by QuickLaTeX.com")
where now
![\[E = t_{\cal{C}} \left( \frac{s_D}{\sqrt{n}}\right)\]](https://openpress.usask.ca/app/uploads/quicklatex/quicklatex.com-627d75dfccc9d10ee2ebfdebdb436b64_l3.png "Rendered by QuickLaTeX.com")
and 
can found from the t Distribution Table in the 
line using the “confidence intervals” heading.
License
Introduction to Applied Statistics for Psychology Students Copyright © 2022 by Gordon E. Sarty is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License, except where otherwise noted.