How does a decision tree helps in problem solving. There is a range of problems that falls under the category of decision making such as

1.Selection of good car

2.Selection of good educational institution

3.Selection of good player for cricket team etc.

ID3 is an algorithm through which we can generate a decision tree from a dataset. Choose any problem of your choice and apply ID3 algorithm on it to generate a decision tree for that problem. Minimum depth of the decision tree should be 2.