This is a question using RStudio. Questions a,b,c,d.

State Data Revisited n this problem, we will be revisiting the United States dataset that was used in Section tart by downloading the data A description of the 22.1 to practice building tree models with a continuous outcome. file State Data.csv from the Online Companion. variables in the dataset is given in Table 22.1 of Section g) Let us start by building a linear regression model i) First, build a linear reg the following seven ression model to predict LifeExp using variables as the independent variables: State Data Revisited n this problem, we will be revisiting the United States dataset that was used in Section tart by downloading the data A description of the 22.1 to practice building tree models with a continuous outcome. file State Data.csv from the Online Companion. variables in the dataset is given in Table 22.1 of Section g) Let us start by building a linear regression model i) First, build a linear reg the following seven ression model to predict LifeExp using variables as the independent variables