Mathematics, 03.01.2020 04:31 myaaa13754
If there is a .20 correlation between sat scores and high school gpa, sat scores account for % of the fluctuation in gpa
Answers: 1
![r=\frac{n(\sum xy)-(\sum x)(\sum y)}{\sqrt{[n\sum x^2 -(\sum x)^2][n\sum y^2 -(\sum y)^2]}}](/tpl/images/0440/8447/ec454.png)
 
, so then the % of variation explained by the linear model is 4%.
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