Question: =+ denotes a random deviation and , , and are parameters. Estimate the model parameters, and obtain a prediction interval for wear life when
=+« denotes a random deviation and , , and
are parameters. Estimate the model parameters, and obtain a prediction interval for wear life when speed is 60 rpm and load is 6000 psi.
(Hint: Transform the model equation so it has the appearance of the general additive multiple regression model equation.)
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