Problem

Solve each application of linear equations. (Modeling) Math SAT Sc...

Solve each application of linear equations.

(Modeling) Math SAT Scores The table lists average mathematics SAT scores for selected years.

(a) Use regression to find a linear function ƒ that models these data.

(b) Use ƒ to approximate the average mathematics SAT score in 2003.

(c) Use ƒ to predict the score in 2008. Compare your answer to the actual value of 515.

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