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    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 Correct Answer Incorrect Answer
    B r = 0.9253 and data is consistent Correct Answer Incorrect Answer
    C r = 0.8325 and data is consistent Correct Answer Incorrect Answer
    D r = 1.2361 and data is inconsistent Correct Answer Incorrect Answer

    Solution

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