2. (8 points) In a multiple regression analysis the 17th observation had residual e17 6.7 and leverage value h17,17 = 0.85. The data set had 100 observations and the model included five quantitative predictors (first order only) and an intercept. The MSE was 3.5. Calculate the following for the 17th observation. (a) (2 points) The semi-studentized residual (b) (2 points) The studentized residual (c) (2 points) The deleted residual (d) (2 points) The studentized deleted residual