Misleading Graphs and Statistics. MEAP REVIEW. Questions to Ask When Looking at Data and/or Graphs. Is the information presented correctly? Is the graph trying to influence you? Does the scale use a regular interval? What impression is the graph giving you?. Why is this graph misleading?.
Misleading Graphs and Statistics
This title tells the reader what to think (that there are huge increases in price).
The scale moves from 0 to 80,000 in the same amount of space as 80,000 to 81,000.
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.
An unbiased title
A scale with a regular interval.
This shows a more accurate picture of the increase.
The scale does not have a regular interval.
What does the top of this graph show?
The bottom of the graph is misleading. Why?
Why is this wrong?
It is possible that the rest of the iPod contains some illegally downloaded music, but it is unlikely that 99% of a person’s iPod is filled with illegal music.