In the case of a scatter plot, whether you use it simply with marking points or lines, the graph is spread across the XY-axis. Eg. Let us consider this example of a person’s salary across the ...

How to Find the Slope of a Line on an Excel Graph. In math and statistics, you may occasionally need to calculate the slope of a line generated by coordinates in the (x,y) format.

Launch Excel and load the spreadsheet containing the data you want to plot. Select the first set of X and Y axis data for your chart. Click the "Insert" tab, and then select the chart type and sub ...

Learn how to plot coordinates and create straight line graphs to show the relationship between two variables. Also, plot graphs that contain a negative coefficient of x.