- Mrs. K created a graph to keep track of attendance in her classroom over a week.
- Lori kept track of the number of long distance calls she made over a 6 month period.
Calls made by Lori:
- The governments of two cities claim that they have done a very successful job in developing the public transit system over the past 10 years. Below are line graphs showing the average waiting times for a bus in the two cities in the past 10 years.