A Venn diagram can show data sets such as preferences in market research. When sets intersect (overlap), the elements in the intersection are members of both sets. When the sets have no elements in ...

Take a look at a different problem solving exercise using Venn diagrams. Remember to draw the Venn diagram and add information as you go along. This will help you keep an overview of what is going on.

Monday's Google Doodle reminds us that it's the 180th anniversary of the birth of John Venn, the English logician whose simple drawing of overlapping circles became a trademark tool of the social ...