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Imply that y should tend to increase or decrease

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Reference no: EM132438183

Use a calculator to verify that Σ(x) = 62, Σ(x2) = 1070, Σ(y) = 636, Σ(y2) = 90,510, and Σ(x y) = 9,497.

Compute r. (Enter a number. Round your answer to three decimal places.)

As x increases from 3 to 25 months, does the value of r imply that y should tend to increase or decrease? Explain your answer.

Reference no: EM132438183

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