One way to assess this fluctuating data is to add a linear trend line to the Excel 2013 graph. This visual element considers all the data and displays the overall direction the values are taking.

Learn about line graphs with this BBC Bitesize Maths article. ... Unlike a bar chart, the labels go on the lines, not in the spaces. ... Example one. An image of a table.

Eg. Let us consider this example of a person’s salary across the years 2011 to 2020. ... You would notice that the line graph and scatter plot chart curves are different.

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.