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Given a random sample of four (x, y) pairs of data points: (3.1,9) (3.5,13) (5,15) (4.6,11) What is the covariance? Please give your answer to

Given a random sample of four (x, y) pairs of data points:

(3.1,9) (3.5,13) (5,15) (4.6,11)

What is the covariance?

Please give your answer to four decimal places

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