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.
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.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 24PFA
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