A computer while calculating correlation coefficient between two variables x and y from 25 pairs of observations obtained the following results. N= 25, Σ 125, Σy = 100 Σεν-508, Σ650, Σν.- %3D = 460 It...

Extracted text: A computer while calculating correlation coefficient between two variables x and y from 25 pairs of observations obtained the following results. N= 25, Σ 125, Σy = 100 Σεν-508, Σ650, Σν.- %3D = 460 It was, however, discovered at the time of checking that two pairs of observations were not correctly copied. They were taken as (6, 14) and (8, 6) while the correct values were (8, 12) and (6, 8). Prove that the correct value of the correlation coefficient should be 2/3.