In the production of printed circuit boards, errors in the alignment of electrical connections are a source
Question:
a. Construct a scatter plot for temperature and registration error.
b. Fit a quadratic regression model to predict registration error and state the quadratic regression equation.
c. Perform a residual analysis on the results and determine whether the regression model is valid.
d. At the 0.05 level of significance, is there a significant quadratic relationship between temperature and registration error?
e. At the 0.05 level of significance, determine whether the quadratic model is a better fit than the linear model.
f. Interpret the meaning of the coefficient of multiple determinations.
g. Compute the adjusted r2.
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Related Book For
Statistics For Managers Using Microsoft Excel
ISBN: 772
7th Edition
Authors: David M. Levine, David F. Stephan, Kathryn A. Szabat
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