Category Archives: Graphs

Real World Venn Diagrams

Posted on April 10, 2012 by Passy

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 →

Share
Posted in Graphs, Venn Diagrams | Tagged , , , , , , , , , , , , , , , , , , , , | 4 Comments

Three Circle Venn Diagrams

Posted on April 10, 2012 by Passy

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 →

Share
Posted in Graphs, Venn Diagrams | Tagged , , , , , , , , , , , , , , , | 3 Comments

Real World Charts and Graphs

Posted on March 24, 2012 by Passy

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 →

Share
Posted in Graphs, Statistics | Tagged , , , , , , , , , , , , , , , , , , , , , , , , , , | 6 Comments

Stem and Leaf Plots

Posted on March 19, 2012 by Passy

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 →

Share
Posted in Graphs, Statistics | Tagged , , , , , , , | 10 Comments

Misleading Graphs

Posted on March 13, 2012 by Passy

Image Source: http://www2.fiu.edu Graphs are often deliberately made misleading when put on TV or in Newspapers. The graph shown below is designed to make it look like after a small drop in unemployment, it started to go up and get … Continue reading →

Share
Posted in Graphs, Statistics | Tagged , , , , , , , , , , , | 20 Comments