Save guides, add subjects and pick up where you left off with your BBC account. A Venn diagram can show data sets such as preferences in market research. When sets intersect (overlap), the elements in ...

Venn diagrams are used to sort sets of data. The probability of an event not happening uses the complement of the region on the Venn diagram. Count the number of elements in each region. Redraw the ...

Venn diagrams typically use overlapping circles to show all possible relationships between sets. Traditionally, they include just two or three sets. This example shows how red, blue and green lights ...