A line graph might be useful for showing the pattern of change in world population, for example. The line graph below shows the population growth of low income, middle income, and high income ...

Revise how to plot a linear equation graph. Learn how to read x and y coordinates from a graph in this BBC Bitesize maths KS3 guide.

How to Graph Linear Lines in Microsoft Excel. ... and column charts might fluctuate dramatically as, for example, sales improve or degrade between quarters.

For example, click the first option, which Word simply calls "Line." Click "OK" to insert the chart and open an Excel spreadsheet. Both the chart and the spreadsheet contain random, sample data.