Mathematics, 14.01.2021 23:10 espiritu9632

The table gives the average cost, to the nearest hundred, of a 4-door sedan. a. Find a quadratic regression model for the data. Note: use x=0 for 1990. Find the coefficient of determination. Is this a good fit for the data. Why?

b. Using this regression model, estimate during which year the average cost of a new 4-door sedan reached approximately $37,000.

The table gives the average cost, to the nearest hundred, of a 4-door sedan.

a. Find a quadratic

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