John Venn
july1880
Venn diagrams were conceived around 1880 by John Venn.
Venn diagrams are used for comparing more that two items in a chart. A Venn diagram compares like possibilities of a group of related objects or things. A family tree is a type of Venn diagram.
Venn diagrams were introduced in 1880 by John Venn (1834-1923) in a paper entitled On the Diagrammatic and Mechanical Representation of Propositions and Reasonings in the "Philosophical Magazine and Journal of Science", about the different ways to represent propositions by diagrams. Venn himself did not use the term "Venn diagram" and referred to his invention as "Eulerian Circles."
graphical representations
graphical representations
Yes.
John Venn
most Venn diagrams are used in survey taking
yes he did
july1880
Venn diagrams are named after their inventor, John Venn.
Venn diagrams were conceived around 1880 by John Venn.
John Venn published a work in 1880 with his venn diagrams.
Venn diagrams are used for comparing more that two items in a chart. A Venn diagram compares like possibilities of a group of related objects or things. A family tree is a type of Venn diagram.
Venn diagrams usually are found in textbooks illustrating the fundementals of set theory and probability. They are good means of presenting graphically relationships between sets of data. An excellent link from Wikipedia explains much more about Venn diagrams. See related link. You can find many examples on the internet.