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## 5.2.3.5 Graphs having two scales

If two variables are expressed in two different units, then we will have two scales – one on the left and the other on the right. To facilitate comparison, each scale is made proportional to the respective average of each. The average values of both the variables are kept in the middle of the graph, and then scales are determined. |

Last modified: Thursday, 10 November 2011, 7:33 AM