Question
While calculating Pearson's correlation coefficient, the following values are obtained for 25 pairs of observations. It was later discovered that two pairs of observations were not correctly copied they were taken as (X,
- Y = (6,14) and (8,6), while the correct values were (8,12) and (6,8). What is the correct value of correlation coefficient? ΣΧ = 125; ΣX2 = 650; ΣΥ = 100; ΕY2 = 460, ΣΧΥ= 508
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