+26400 if rxy=-.7, what is the coefficient of determination
"The coefficient of determination is simply the squared value of the correlation coefficient."
see: http://jalt.org/test/PDF/Brown16.pdf
$$(r_{xy})^2 = (-0.7)^2 = 0.49 \ (49\ \%)$$
+26400 if rxy=-.7, what is the coefficient of determination
"The coefficient of determination is simply the squared value of the correlation coefficient."
see: http://jalt.org/test/PDF/Brown16.pdf
$$(r_{xy})^2 = (-0.7)^2 = 0.49 \ (49\ \%)$$
