These handouts offer an overview of time series data. What is it? How do you graph it? More...
One file contains examples of time series graphs. Another contains a short PowerPoint slideshow about how to recognize time series graphs and what makes them different from correlation graphs.
Two websites for further exploration
1. All about working with time series data:
http://maths.nayland.school.nz/Year_13_Stats/3.1_timeseries/Time_Series_home.htm
2. A fun 4-minute video animation showing time series in action