Refer to Exercise 11-11, which presented data on chloride concentration y and roadway area x (a) What
Question:
(a) What proportion of the total variability in chloride concentration is accounted for by the regression model?
(b) Plot the residuals versus and versus x. Interpret these plots.
(c) Prepare a normal probability plot of the residuals. Does the normality assumption appear to be satisfied?
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Spy a R 8522 b Assumptions appear reasonable but there is a suggestion that variabilit...View the full answer
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Related Book For 
Statistics Principles And Methods
ISBN: 9780470904114
7th Edition
Authors: Richard A. Johnson, Gouri K. Bhattacharyya
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