While calculating correlation coefficient between two variables x and y from 25 pairs of observations, the following results were obtained : n = 25, Ex = 125, E = 650, Ey = 100, Ey = 460, Ery = 508. Later it was discovered at the time of checking that the pairs of values x %3D %3D Ywere copied down as x 8 12 y. Obtain the correct value of correlation coefficient. 6 14 8. 6

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