A graph must have a descriptive title.
• If many graphs are used, they should
also be numbered.
• The title and number are usually
written below the graph.
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Important Considerations in Graph Construction
b. The values on the axes
should start from zero.
• If the smallest value of the
data is far from zero, a
break in the axis may be used
to avoid large empty spaces.
Axis breaks can be
indicated using symbols
such as:
"
--" or "-/ /-
"
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Important Considerations in Graph Construction
c. Each axis should clearly indicate which variable it
represents.
d. Each axis should be scaled according to the distribution
range of the data.
e. Graphs must be clear and easy to interpret.