Question: 6.32. Continuation of Problem 6.31. Use the regression models for molecular weight and viscosity to answer the following questions. (a) Construct a response surface contour

6.32. Continuation of Problem 6.31. Use the regression models for molecular weight and viscosity to answer the following questions.

(a) Construct a response surface contour plot for molecular weight. In what direction would you adjust the process variables to increase molecular weight?

(b) Construct a response surface contour plot for viscosity.

In what direction would you adjust the process variables to decrease viscosity?

(c) What operating conditions would you recommend if it was necessary to produce a product with molecular weight between 2400 and 2500 and the lowest possible viscosity?

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