Definition:Graph (Statistics)
This page is about Graph in the context of Statistics. For other uses, see Graph.
Definition
In the context of statistics, a graph is a word that loosely means a pictorial or diagrammatic presentation of a set of data.
Bar Chart
A bar chart is a form of graph which consists of a finite set of (usually) vertical bars whose length determines the statistic being communicated.
Pie Chart
A pie chart is a form of graph which consists of a circle divided into sectors whose areas represent the proportion of the corresponding statistic relative to the whole.
Pictograph
A pictograph is a variant of a bar chart whose bars consist of a number of icons or other pictorial symbols arranged in a (usually) line.
Also known as
A graph is often seen referred to as a chart, particularly with reference to specific kinds of graph.
Some sources use diagram, but that word has wider connotations.
Sources
- 1972: Murray R. Spiegel and R.W. Boxer: Theory and Problems of Statistics (SI ed.) ... (previous) ... (next): Chapter $1$: Graphs