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A computer while calculating correlation coefficient between two variables X and Y from 25 pairs of observations obtained the following results: n = 25, ΣΧ = 125, ΣΧ2 = 650, ΣΥ2 = 460, ΣῪ = 100, EXY = 508 • If was, however, later discovered at the time of checking that he had copied down two pairs as X Y while the correct values were X Y Obtain the correct value of correlation . 6 14 8 12 9 6 6 8 coefficient.

A computer while calculating correlation coefficient between two variables X and Y from 25 pairs of observations obtained the following results: n = 25, ΣΧ = 125, ΣΧ2 = 650, ΣΥ2 = 460, ΣῪ = 100, EXY = 508 • If was, however, later discovered at the time of checking that he had copied down two pairs as X Y while the correct values were X Y Obtain the correct value of correlation . 6 14 8 12 9 6 6 8 coefficient.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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A computer while calculating correlation coefficient between two variables X and Y from 25 pairs of observations obtained the following results: ΣΧ = 125, ΣΧ2 = 650, ΣῪ = 100, n = 25, ΣΥ2 = 460, EXY = 508 If was, however, later discovered at the time of checking that he had copied down two pairs as X Y while the correct values were X Y Obtain the correct value of correlation 6 14 8 12 9 6 8 coefficient. 6
Transcribed Image Text:A computer while calculating correlation coefficient between two variables X and Y from 25 pairs of observations obtained the following results: ΣΧ = 125, ΣΧ2 = 650, ΣῪ = 100, n = 25, ΣΥ2 = 460, EXY = 508 If was, however, later discovered at the time of checking that he had copied down two pairs as X Y while the correct values were X Y Obtain the correct value of correlation 6 14 8 12 9 6 8 coefficient. 6
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