Question: Conduct a test to determineApply a backward stepwise regression in R to the data to find a small subset of the independent variables that are

Conduct a test to determineApply a backward stepwise regression in R to the data to find a small subset of the independent variables that are the best predictors of MTBE level. Neatly crop a screen shot of the entire in/output. whether the second-order response surface is identical for each level of engine type. Test using = .05

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