A study was performed on wear of a bearing y and its relationship to x1 = oil viscosity and x2 = load. The following data were obtained. y 293 230 X₁ 1.6 15.5 X₂ 851 816

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A study was performed on wear of a bearing y and its relationship to x1 = oil viscosity and x2 = load. The
following data were obtained.
X₁
X₂
1.6
851
15.5 816
22.0
1058
91
43.0
1201
113 33.0 1357
125
40.0
1115
293
230
172
Fit a multiple linear regression model to these data
Considering the Least Squares Normal Equations
_a___ßo +_b__B₁ +
с B₂ =
____e__Bo +_f__B₁
B₂
Bo + B₁
What is the value of k?
+
+
g.
(on
B₂
=
11
( equation 1)
( equation 2)
( equation 3)
Transcribed Image Text:A study was performed on wear of a bearing y and its relationship to x1 = oil viscosity and x2 = load. The following data were obtained. X₁ X₂ 1.6 851 15.5 816 22.0 1058 91 43.0 1201 113 33.0 1357 125 40.0 1115 293 230 172 Fit a multiple linear regression model to these data Considering the Least Squares Normal Equations _a___ßo +_b__B₁ + с B₂ = ____e__Bo +_f__B₁ B₂ Bo + B₁ What is the value of k? + + g. (on B₂ = 11 ( equation 1) ( equation 2) ( equation 3)
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