page_title: Graph
hierarchical_section_title: Graph
caption_attribution_description: Unemployment rates in the United States (1950 - 2005). Background colors and dotted lines show the terms of U.S. presidents and their political party affiliation, to give more historical context. (Red = Republican, Blue = Democrat) Data source: [1] This is a raster, .png version of the original, higher quality Image:Us_unemployment_rates_1950_2005.svg file.
context_page_description: A graph is a picture designed to express words, particularly the connection between two or more quantities. You can see a graph on the right.
  A simple graph usually shows the relationship between two numbers or measurements in the form of a grid. If this is a rectangular graph using Cartesian coordinate system, the two measurements will be arranged into two different lines at right angle to one another. One of these lines will be going up. The other one will be going right. These lines meet at their ends in the lower left corner of the graph.
  Both of these axes have tick marks along their lengths. You can think of each axis as a ruler drawn on paper. So each measurement is indicated by the length of the associated tick mark along the particular axis.
  A graph is a kind of chart or diagram. However, a chart or a diagram may not relate one quantity to other quantities. Flowcharts and tree diagrams are charts or diagrams that are not graphs.
context_section_description: A graph is a picture designed to express words, particularly the connection between two or more quantities. You can see a graph on the right.
  
  A simple graph usually shows the relationship between two numbers or measurements in the form of a grid. If this is a rectangular graph using Cartesian coordinate system, the two measurements will be arranged into two different lines at right angle to one another. One of these lines will be going up (the vertical axis). The other one will be going right (the horizontal axis). These lines (or axes, the plural of axis) meet at their ends in the lower left corner of the graph.
  Both of these axes have tick marks along their lengths. You can think of each axis as a ruler drawn on paper. So each measurement is indicated by the length of the associated tick mark along the particular axis.
  A graph is a kind of chart or diagram. However, a chart or a diagram may not relate one quantity to other quantities. Flowcharts and tree diagrams are charts or diagrams that are not graphs.
caption: This graph shows the unemployment rate by year in the United States.
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