- #1
songoku
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Homework Statement
Homework Equations
[tex]r=\frac{S_{xy}}{S_{x} S_{y}}[/tex]
[tex]S_{x}=\sqrt{\Sigma(x-\bar{x})^2}[/tex]
The Attempt at a Solution
I have calculated the value of Sx several times and I got 43.3 but the answer key said that Sx = 11.2
1. Is my formula correct?
2. If yes, is my calculation correct?
Thanks