Questions: For the data set, calculate Σx, Σx², and (Σx)². -8,-1,3,8,1,7,-7,9,4 Σx = Enter an exact number. Σx² (Σx)² =
Transcript text: For the data set, calculate $\Sigma x, \Sigma x^{2}$, and $(\Sigma x)^{2}$.
\[
\begin{aligned}
& -8,-1,3,8,1,7,-7,9,4 \\
\Sigma x & =\frac{1}{1} \begin{array}{l}
\text { Enter an exact number. }
\end{array} \\
\Sigma x^{2} & \\
(\Sigma x)^{2} & =\square
\end{aligned}
\]
Solution
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