In exercise 12.28, we have the following data concerning wear of a bearing: (a) The following model
Question:
In exercise 12.28, we have the following data concerning wear of a bearing:
(a) The following model may be considered to describe this data: y i = 00 + ?1xl, + ?2x2 + ?12x1,?x2i + ? i, for i = 1, 2... 6. The %X2 is an "interaction"' term. Fit this model and estimate the parameters.
(b) Use the models (x), (x1, x2), (x2). (x1, x2, x1x2) and compute PRESS, Cp, and s" to determine the 'best'' model.
Transcribed Image Text:
(wear) 2 (load) (oiLviscosity) 1.6 15.5 22.0 193 230 172 91 851 816 1058 1201 1357 1115 43.0 33.0 40.0 113 125
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Related Book For
Probability & Statistics For Engineers & Scientists
ISBN: 9780130415295
7th Edition
Authors: Ronald E. Walpole, Raymond H. Myers, Sharon L. Myers, Keying
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