Opening the book…
error\(=\sum_{i=1}^{n}\left(x_{i}-\bar{X}\right)=0\)
\[
\begin{array}{c}
{\sum_{i=1}^{n} x_{i}-\sum_{i=1}^{n} \bar{X}=0} \\
{\sum_{i=1}^{n} x_{i}=\sum_{i=1}^{n} \bar{X}} \\
{\sum_{i=1}^{n} x_{i}=n \bar{X}} \\
{\sum_{i=1}^{n} x_{i}=\sum_{i=1}^{n} x_{i}}
\end{array}
\nonumber\]
This page titled 8.1: Appendix was last modified on Mon, 11 Jan 2021 05:13:40 GMT and is shared under a CC BY-NC 4.0 license and was authored, remixed, and/or curated by Russell A. Poldrack via source content that was edited to the style and standards of the LibreTexts platform.
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