List of possible improvements:
someone has plotted this scatter graph and you are marking their graph. write down all of the things on the list that would improve their graph
Draw lines between the points
Add units to the axis labels
Make the horizontal axis go up to 40
Make the vertical axis go up to 400
Make all the points different colours
Mathbot Says...
I wasn't able to parse your question, but the HE.NET team is hard at work making me smarter.