Fit a first-order model to these data using the method

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Reference no: EM131832285

The following data were collected by a mechanical engineer studying the performance pf an industrial process for the manufacture of cement blocks, where X₁ is travel x₂ is -vibration, and y is a measure of operating efficiency. All values are in coded units. High values of y .are desired.

329_studying the performance pf an industrial process.png

Do the following:

(a) Fit a first-order model to these data using the method of least squares.

(b) Draw contour lines of the fitted response surface.

(d) Criticize your analysis.

Reference no: EM131832285

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