Question: Refer to the data in Exercise 11-5 on house selling price y and taxes paid x. y (a) Find the residuals for the least squares

Refer to the data in Exercise 11-5 on house selling price y and taxes paid x. y
(a) Find the residuals for the least squares model.
(b) Prepare a normal probability plot of the residuals and interpret this display.
(c) Plot the residuals versus and versus x. Does the assumption of constant variance seem to be satisfied?
(d) What proportion of total variability is explained by the regression model?

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