9.1. (10 points) What is the best value for k according to the output of KNN? Paste the KNN plot in the space below. 9.2. (10 points) Create the confusion matrix based on test data: Predict ed 0 1 10. Reference 0 1 9.3. (10 points) Create the ROC curve and paste in the space below: (20 points) If you were a political consultant, between random forest and KNN algorithms, which one would have you used to make predictions about the elections outcome? Why? If you were giving advice to politicians, you would have encouraged them to take what actions (list at least 2 actions) to help them win the election?