Question: b . Use Excel to develop a simple linear regression model for these data. What average cost increase has the firm been realizing per year?

b. Use Excel to develop a simple linear regression model for these data. What average cost increase has the firm been realizing per year? Do not round intermediate calculations. Round your answers to four decimal places.
The regression equation is Unit cost =+ Year.
The average cost increase per year is $
 b. Use Excel to develop a simple linear regression model for

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