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.

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 ...

Focus on the data in the Venn diagram, not on its appearance. Provide the data in brief statements. Give a summary if one is immediately apparent. Include the caption only if it is not accessible from ...