Tuesday, April 19, 2011

Bilateral Graph

Bilateral Graph- a graph that shows the changes in two related variables. 



A bilateral graph is often used to show how the changes in one variable affect the changes in another. They can show both negative and positive changes. This bilateral graph shows the relationship between gas prices and consumer spending during 2007. Just after gas prices rose in May, spending went down, but spending rose as gas prices rose in November, presumably in anticipation of Christmas. 

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