Another rule for choosing the scale of a line graph is to use a consistent interval or unit for both the horizontal and vertical axes. This means that the distance between each tick mark or label ...

Learn how to choose the right scale for a graph based on the type of data, the purpose of the graph, and the audience you want to reach. See examples and tips.

Learn about line graphs with this BBC Bitesize Maths article. ... Draw the vertical scale and number it in regular intervals. In this example, the scale is increasing in increments of one hour.

The interval between the gridlines in an Excel chart is typically blank, but you can highlight the intervals using an alternating pattern by changing the formatting for the gridlines themselves.

A line graph connects individual data points that reflect numerical values. It is used to visualize the relationship between dependent and independent variables.

Figure 5 shows a line graph where the tick marks are not spaced evenly and do not appear to be an easily recognizable non-linear scale. It shows how easily our eyes can pick up this kind of ...

Graphs that are not drawn to scale mislead the reader. This post shows another example of a graph where the visual representation of the numbers is not proportional to the numbers themselves.