Interpreting Graphs: Examples of Bar Graphs
This clip explores bar graphs in depth, explaining that each bar represents discrete data. The clip also reminds the student that, "
we'll often have to estimate amounts in bar graphs. Remember, the purpose of a graph is to provide a visual image o...
Interpreting Graphs: Examples of Line Graphs
This clip explores line graphs in depth, explaining that they show data as continuous values. The clip includes examples of line graphs illustrating automobile speed, temperature readings, and semiconductor sales.
Interpreting Graphs: Effects of Vertical Scale on Graphs, The
This clip explains that two graphs displaying the same data can give very different visual impressions. "That's why it's important to check the vertical scale of a graph before making an interpretation," the clip states.
Interpreting Graphs: Distorted Graphs
This clip explains that sometimes a distorted graph may be a more practical way to display data, then provides a number of examples, including a bar graph of U.S. population, a line graph of Federal debt, and a line graph of households with cable te...