Graphs provide a visual display of information for easy access.  Graphical information is ubiquitous in or everyday life.  Learning how to read and interpret graphical information will not only help you in science but in all walks of life.  It truly is a lifelong learning skill.  Graphs help writing about scientific topics easier.  By desribing the graphical information presented in a paper you are often capturing key aspects of a paper.  Whenever you write about scientific information you should use data to support your ideas.
OzoneVertProfile.gif (8164 bytes) An important part of data analysis is understanding the information contained within a graphical representation of data. Here are some resources to help you make better graphs and to understand the potential information contained within graphs more completely.