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The following data represent the unit price (x is dollars) and daily demand (y in units) of a product. Unit Price ($x) Unit d

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Mean x = x+x2 -- XS = - Answer b . J = YITY. - YS - = 10 Answer $ covariance - 30x3)(y-7) 12 +16+ cy)+2 +6-3-6-3 > - 16+ Gh +

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