An article in the Journal of Applied Polymer Science (Vol. 56, pp. 471476, 1995) studied the effect

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An article in the Journal of Applied Polymer Science (Vol. 56, pp. 471€“476, 1995) studied the effect of the mole ratio of sebacic acid on the intrinsic viscosity of co-polyesters. The data follow:
(a) Construct a scatter diagram of the data.
(b) Fit a simple linear repression module.
(c) Test for significance of regression. Calculate R2 for the model.
(d) Analyze the residuals and comment on model adequacy.


Mole ratio| 1.0 0.9 0.8 0.7 1.0 0.9 0.6 0.5 0.4 Viscosity |0.45|0.20|0.34|0.58|0.70|0.57|0.55 |0.44
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Introduction To Linear Regression Analysis

ISBN: 9781119578727

6th Edition

Authors: Douglas C. Montgomery, Elizabeth A. Peck, G. Geoffrey Vining

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