This document discusses several graphs and statistics that can be misleading. It provides examples of graphs that use scales to exaggerate differences, imply causation, or lack necessary context. Readers are advised to consider whether the data is presented accurately, whether the graph is trying to influence them, and whether margins of error are too large.

1. Misleading Graphs and Statistics Lesson 7-8

3. Why is this graph misleading? This title tells the reader what to think (that there are huge increases in price). The actual increase in price is 2,000 pounds, which is less than a 3% increase. The graph shows the second bar as being 3 times the size of the first bar, which implies a 300% increase in price. The scale moves from 0 to 80,000 in the same amount of space as 80,000 to 81,000.

4. A more accurate graph: An unbiased title A scale with a regular interval. This shows a more accurate picture of the increase.

5. Why is this graph misleading? The scale does not have a regular interval.

7. From CNN.com

9. CNN.com updates the graph: