Mathematics, 12.08.2021 22:00 cooljariel11

A person while calculating the correlation coefficient between the variables X and y Obtained the following n=30, Ex=120 Ex^2=600, ey=90, Ey² =250, Exy=256. It was however lates discovered at the time of checking that it had copied down two pass of observation as (8,10) and (12,7) while correct values were (8,12) and (10,8) obtain the correct value of Correlation coefficient between them.

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