Two pair misread values. A computer while calculating the correlation coefficient.between two variables x and y obtained the following constants: N=25, Ex=125, Ex=650, Ey=D100, E-460, Exy-508. It was however later discovered at the time of checking that be had copied down two pairs of observations as (6, 14), (8, 6) while the correct values were (8, 12), (6, 8). Obtain the correct value of the correlation coefficient between x and y.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Two pair misread values. A computer while calculating
the correlation coefficient.between two variables x and y obtained
the following constants : N=25, Ex=125, Ex=650, Ey-100,
Ey=460, Exy=508.
It was however later discovered at the time of checking that
be had copied down two pairs of observations as (6, 14), (8, 6) while
the correct values were (8, 12), (6, 8). Obtain the correct value of
the correlation coefficient between x and y.
Transcribed Image Text:Two pair misread values. A computer while calculating the correlation coefficient.between two variables x and y obtained the following constants : N=25, Ex=125, Ex=650, Ey-100, Ey=460, Exy=508. It was however later discovered at the time of checking that be had copied down two pairs of observations as (6, 14), (8, 6) while the correct values were (8, 12), (6, 8). Obtain the correct value of the correlation coefficient between x and y.
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