Which model you would recommend to the process engineers

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Question: Consider the data in oxygen.dat" on Canvas. In this table Y is the purity of oxygen produced in a chemical distillation process, and x is the percentage of hydrocarbons that are present in the main condenser of the distillation unit. Fit the data with two linear models i.e., Y = β0 + β1 x + e and Y = β0 + β1 x + β2x2 + e. Conduct ALL the necessary tests (+ plots) to determine whether all the assumptions hold in order the fit these models. Next, which model you would recommend to the process engineers and why? Use the anova function in R to compare both models. Finally, plot your model of choice with corresponding 95% pointwise confidence intervals. Use the following commands to load your data into R

Reference no: EM133357539

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