I need help with this soon! How could I calculate this by hand?

Compute information gain for a3 for each potential split point and report the best split point for a3.

1. [2596] Consider the training examples shown in Table 1 for a binary classification problem. a1 a2 a3 Class TTI Table 1. Sample training data for a binary classification problem for question #1. 1. [2596] Consider the training examples shown in Table 1 for a binary classification problem. a1 a2 a3 Class TTI Table 1. Sample training data for a binary classification problem for question #1