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Please help me answer this question By hand compute the sample correlation coefficient for the following data: x 1 3 4 9 10 y 20

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By hand compute the sample correlation coefficient for the following data: x 1 3 4 9 10 y 20 18 10 8 4 Can you be 95% confident that a linear relation exists between the variables? If so, is the relation positive or negative? Justify you

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