To plot a graph in Microsoft Excel 2010 by taking the column data as axis in the graph: 1.Highlight the column data that you wish to plot. 2.Insert-> scatter graph If you wish to plot a chart of X1 and X2 against Y X2 X1 Y 88 123 100 188 234 200 350 345 300 500 456 400 Select these columns, goto insert and then click scatter chart. This will give the following chart: But this is not what we want. Now plot X2 and Y , then plot X1 and Y. Then copy the curve from a plot and paste the curve to another plot. If you wish to edit the style of the plot. For e.g. changing the thickness of the graph line: 1. Right click on the graph -> format data series -> line style -> width (you can specify the thickness value here) If you wish to scale the range of x-axis and y-axis data values: 1. Double click on th ex-axis -> axis options -> set the minimum/maximum values ( you can also change other values as you need) If you wish to label some data points: 1. Double click on the curve -...