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The Acme corp. wished to predict maintenance costs per year on its factory equipment by knowledge of the equipment's age. The following data was collected which yielded the regression equation: (see the printout attached)

Age Maintenance Costs
6 920
7 1810
1 230
3 400
6 1260

a) What is the point estimate of maintenance cost for a machine that is 3 years old?

b) Determine the 4 missing values in the printout attached.

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