# Category Archives: Graphs

## Real World Venn Diagrams

Image Source: http://farm3.static.flickr.com Venn Diagrams are diagrams containing circles that show the logical relations between a collection of sets or groups. They are used in many areas of life where we need to categorize or group items, as well as … Continue reading

## Three Circle Venn Diagrams

Image Source: istockphoto Purchased by Passy’s World Three circle Venn Diagrams are a step up in complexity from two circle diagrams. In this lesson we first look at how to read three circle diagrams. We then look at some word … Continue reading

## Real World Charts and Graphs

Image Source: http://www.pacificu.edu In this lesson we are looking at some real world graphs. The idea is to show people how different types of graphs can be useful for real life situations. First we take a look at Health and … Continue reading

## Stem and Leaf Plots

It is quite a bit of work to manually make a bar chart of a set of data results in a Mathematics Workbook. So in the 1960’s, John Tukey came up with a simplified version of the standard bar chart, … Continue reading