Refer to the previous exercise. Now let x = number of classes skipped and y = college GPA.
a. Construct a scatter-plot. Does the association seem to be positive or negative?
b. Find the prediction equation and interpret the y -intercept and slope.
c. Find the predicted GPA and residual for Student 1.

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Student Study Tme GPASkipped 2.8 3.6 3.4 3.0 3.1 3.3 2.7 3.8 14 25 15 0 10 12 12 21