A study was performed on a type of bearing to find the relationship of amount of wear

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A study was performed on a type of bearing to find the relationship of amount of wear y to x1= oil viscosity and x2= load. The following data were obtained.
X2 Ф2 193 172 113 1.6 851 230 15.5 816 22.0 1058 91 43.0 1201 1115 33.0 1357 125 40.0

(Data from Myers, Montgomery, and Anderson-Cook, 2009.)
(a) Estimate the unknown parameters of the multiple linear regression equation

μY |x1,x2 = β0 + β1x1 + β2x2.

(b) Predict wear when oil viscosity is 20 and load is 1200.

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Essentials Of Probability And Statistics For Engineers And Scientists

ISBN: 9780321783738

1st Edition

Authors: Ronald E. Walpole, Raymond Myers, Sharon L. Myers, Keying E. Ye

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