Classifier 1 Classifier 2 Threshold value Healthy Sick Healthy Sick Diagnostic level False positive True positive False positive True positive 9.0 39 3 34 6 Totals: 93 32 93 32 Question 4 (1.5 pt): report the ROC (Receiver operating characteristic) curves of the 2 classifiers on the same graph, identify the better classifier, and explain which metric/parameter is used to compare classifiers (without calculating it)