Determine the regression equation

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The owner of Maumee Ford-Volvo wants to study the relationship between the age of a car and its selling price. Listed below is a random sample of 12 used cars sold at the dealership during the last year.

Car Age (years) Selling Price ($000) Car 1 2 3 4 5 6 7 8 9 10 11 12

Age (years) 10 7 14 18 8 8 8 15 13 18 6 6 Selling Price 8.3 6.9 1.4 2.4 6.8 9.4 7.5 5.6 5.6 3.1 9.4 7.6

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a. Determine the regression equation.(Negative amounts should be indicated by a minus sign. Round your answers to 3 decimal places.)

a=

b=

b. Estimate the selling price of an 10-year-old car (in $000).(Round your answer to 3 decimal places.)

c. Interpret the regression equation (in dollars).(Round your answer to the nearest dollar amount.

Reference no: EM132906948

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