Following is a random sample of price per piece of
Following is a random sample of price per piece of plywood, X, and quantity sold, Y (in thousands):
Price per Piece (x) Thousands of Pieces Sold (y)
$6 ............... 80
7 ............... 60
8 ............... 70
9 ............... 40
10 ............... 0
a. Compute the covariance.
b. Compute the correlation coefficient.
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