# Question: The following table presents the number of years of study

The following table presents the number of years of study in English and language arts and the average SAT writing score for students who took the 2008 SAT exam.

a. Compute the least-squares regression line for predicting mean SAT score from years of study.

b. Construct a residual plot. Verify that a linear model is appropriate.

c. Predict the mean SAT score for students with 2.5 years of study.

a. Compute the least-squares regression line for predicting mean SAT score from years of study.

b. Construct a residual plot. Verify that a linear model is appropriate.

c. Predict the mean SAT score for students with 2.5 years of study.

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