http://staff.tuhsd.k12.az.us/gfoster/standard/bgraph.htm

This first link is a great tutorial if you are not sure how to construct a graph. If you are looking to learn something new, it also tells you how to construct a graph on Excel. Check it out if you need some help graphing!

http://astro.uchicago.edu/cara/outreach/resources/other/howtograph.html

This link is a step-by-step of how to create and construct your graph. It is in list form, so it is easy to follow. It also reviews variables and where they go on your graphs.