Consider the following data, which result from an
Chapter 12, Problem 85E(choose chapter or problem)
Consider the following data, which result from an experiment to determine the effect of \(x=\) test time in hours at a particular temperature on \(y=\) change in oil viscosity:
(a) Fit a second-order polynomial to the data.
(b) Test for significance of regression using \(\alpha=0.05\).
(c) Test the hypothesis that \(\beta_{11}=0\) using \(\alpha=0.05\).
(d) Compute the residuals from part (a) and use them to evaluate model adequacy.
Equation Transcription:
Text Transcription:
x=
y=
\alpha=0.05
\beta_11=0
\alpha=0.05
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