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Misleading Graphs and Statistics

In this topic, we learn to identify misleading graphs and statistics. The topic covers misleading pictographs, bar graphs, and line graphs. We also learn how the use of mean, median, and mode can lead to wrong conclusions about data sets.

Topic: Misleading Graphs

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

  • A pictograph can be misleading by using different sizes of the objects

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

  • To interpret a line graph and a bar graph correctly, note the scale

Topic: Misleading Statistics

  • Statistics is often used to make advertisements visually appealing

  • When dealing with statistics, the information must be interpreted carefully

  • The different measures of central tendency (mean, median, and mode) can be used to show different points of view

  • If the sample size is too small, it cannot be used to reach a conclusion about the population
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