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Misleading Graphs

In this topic, we learn how to recognize misleading bar and line graphs.

Topic: Misleading Bar Graphs

  • Data can be displayed in many different ways. Sometimes, people who make graphs choose to display data in a misleading way

  • Bar graphs are useful for showing comparisons, but sometimes the visual effect can be misleading

  • A bar graph can be misleading when the lower part of the horizontal axis is missing or the scale is not appropriate

  • To interpret a bar graph correctly, note the scale

Topic: Misleading Line Graphs

  • Data can be displayed in many different ways. Sometimes, people who make graphs choose to display data in a misleading way

  • A line graph is used to show how a set of data changes over a period of time

  • The use of a different scale on a graph can influence conclusions drawn from the graph

  • To interpret a line graph correctly, note the scale
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