Consider the following correlations -0.9 , -0.5 , -0.2 , 0 , 0.2 , 0.5 and 0.9. For each give the fraction of the variation in y that is explained by the least-squares regression of y on x.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.4: Scatter Plots And Line Of Fit
Problem 18PFA
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Consider the following correlations -0.9 , -0.5 , -0.2 , 0 , 0.2 , 0.5  and 0.9. For each give the fraction of the variation in y that is explained by the least-squares regression of y on x.  

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