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 = 42.52x + 86.52 and the r...

Extracted text: 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 = 42.52x + 86.52 and the r = 0.67. What percentage of the variation in y can be explained by the variation in the values of x? pi = % (Report exact answer, and do not enter the % sign)