Answer :
To let you know what you are working with. if you have a wrong name for a graph then you will get the wrong answer
Answer;
-To provide an overview of the information the graph contains and also give an indication of the data being looked at.
Explanation;
- It is important to title graphs carefully so the information makes sense and the graph is easy to read and understand.
-The general title of a graph should provide an overview of the information it contains and give the readers an indication of the data they will be looking at.