General Graphing Rules

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Presentation transcript:

General Graphing Rules Line Graphs

However you may use a pen to draw the axes. First things first! Use a sharp pencil. However you may use a pen to draw the axes.

The following are some rules for drawing line graphs. Graphing Rules The following are some rules for drawing line graphs. The acronym T.A.I.L.S. can be used as a memory aide to help you check your graph for completeness and accuracy.

I – Intervals/Increments L – Lines S – Scale/Size What does TAILS Mean? T – Title A – Axis I – Intervals/Increments L – Lines S – Scale/Size

Can be any statement that describes the subject of the graph Title Can be any statement that describes the subject of the graph Title must include the “Y-axis vs X- axis” (dependent variable vs independent variable)

Label the axes (the label must include appropriate units) Axis Label the axes (the label must include appropriate units) Label the dependent variable on the y- axis Label the independent variable on the x-axis

Intervals/Increments The divisions on each axis must be evenly spaced

There are four types of lines: Line of best fit – these lines follow the trend of the data points plotted. Straight line Smooth curve Point-to-Point Scatter-plot

The graph data points must fill the graph area. Scale/Size The graph data points must fill the graph area.

Key/Legend Include a key or some way to identify lines and data points where necessary, especially when there is more than one line on a graph.