Question: The linear trend equation = 120 + 4.8x has been developed, where = estimated sales (thousands of dollars) and x = 1 for

The linear trend equation ŷ = 120 + 4.8x has been developed, where ŷ = estimated sales (thousands of dollars) and x = 1 for the year 1999. What level of sales would be forecast for 2013; for 2015?

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