Consider the training examples shown in the table below for a binary classification problem. Customer ID Gender Car Type Shirt Size Class Family Small CO M Sports Medium CO M Sports Medium CO M Sports CO Large Sports Extra Large Co M M Sports Extra Large CO Sports Small CO Small CO Sports Sports Medium CO Luxury Large CO 10 Family M Large C1 11 Family Extra Large C1 M 12 Medium C1 M Family 13 M Luxury Extra Large C1 14 F Luxury Small C1 15 Luxury Small C1 16 F Luxury Medium C1 17 F Luxury Medium C1 18 F Luxury Medium C1 19 F Luxury Large C1 (a) Compute the Gini index for the overall collection of training examples