Refer to the data in Exercise 11-5 on house selling price y and taxes paid x. y
Question:
(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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Related Book For
Financial and Managerial Accounting
ISBN: 978-0132497978
3rd Edition
Authors: Horngren, Harrison, Oliver
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