For Exercises 7–14, you are given the regression equation.
Calculate the predicted values.
Compute the residuals.
Construct a scatterplot of the residuals versus the predicted values.
Use technology to construct a normal probability plot of the residuals.
Verify that the regression assumptions are valid.
Question
13.10
10.
−3
−5
−1
−15
1
−20
3
−25
5
−30