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Please help for the below question. 10. Following is a random sample of price per piece of plywood, X, and quantity sold, Y (in thousands):

Please help for the below question.

10. Following is a random sample of price per piece of plywood, X, and quantity sold, Y (in thousands):

Price per Piece (x) 6 7 8 9 10

Thousands of Pieces Sold (y) 80 60 70 40 0

a. Compute the covariance. b. Compute the correlation coefficient.

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