r= XXXXXXXXXXe) Find the value of the coefficient of determination r 2 . What percentage of the variation in y can be explained by the corresponding variation in x and the least-squares line? What...

r= -0. 8839 (e) Find the value of the coefficient of determination
r
². What percentage of the variation iny can beexplained by the corresponding variation inx and the least-squares line? What percentage isunexplained?