Exercise $8$Please refer to class exercise on Chapter $8$ for questions $1$ and $2\mathrm{.}1.$ Which attributes have the greatest weight? Please write the linear regression model$\mathrm{.}2.$ What other attributes will help the predictability of the model?$3.$ What strategies would help the current analysis in Chapter $8$ problem?$4.$ When would be appropriate to use linear regression model? Illustrate with examples