This is an R-code question

2. Load the dataset cars from R to answer the following questions. a) Give the five number summary for the variables speed and dist. (b) Fit a simple linear regression model using speed as the response variable and dist as the explanatory variable. What is the fitted model? (c) Do the residuals follow Normal distribution? Use Normal QQ plot (d) Make a scatter plot of speed (Y axis) vs dist (X axis). Plot the regression line over the scatter plot (e) Report predicted value of speed when dist is 100