Using your favorite statistics software package, you generate a scatter plot with a regression equation and correlation coefficient. The regression equation is reported as y=85.73x+27.28 and the...

Using your favorite statistics software package, you generate a scatter plot with a regression equation and correlation coefficient. The regression equation is reported as y=85.73x+27.28 and the r=0.518.


What proportion of the variation iny can be explained by the variation in the values ofx?

r² = __?__%