Answer- For the given data, n=10, X̅ = 20, Y̅ = 40, ∑(X-5)^2 = 100, ∑(Y-20)^2 =160 and ∑(X-5)*(...

Question

For the given data, n=10, X̅ = 20, Y̅ = 40,

∑(X-5)^2 = 100, ∑(Y-20)^2 =160 and ∑(X-5)*(Y-20) = 80. Calculate the correlation coefficient and comment on the validity of data

A r = 1.0158 and data is inconsistent

B r = 0.9253 and data is consistent

C r = 0.8325 and data is consistent

D r = 1.2361 and data is inconsistent

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