Question

a computer while calculating the correlation Coefficient between the variable X and Y obtained the following results.No 30 £x=120, £x^2=600, £y=90, £y^2=250, £xy=335
it was however later Discover at the time of checking that it has copied down two pairs of observation as X= 8, 12 Y=10 ,7
the correct value of X=8 ,10 Y =12, 8 other the correct value of the correlation .Coefficient between X and Y?

Answer 1

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Answer 2

Answer:

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Explanation: