Example: Books sold over time or the most costumers that certain business had etc.
The Y axis shows usually numbers (Not sure what you call it) and the X axis the period over time.
To show some type of growth. For example, if you want to graph your math grades and see if your grades have went up or down, you would use a line graph. And so if the line goes down from left to...
Line Graphs are a type of graphs so are bar graphs, pie graphs, pictographs. But line graphs would be best used in the hosptal when measuring heart rates and blood pressure, or any thing that is...