Adding a Second Y-Axis Your new series may not be measured with the same range of numbers as the old one. To make the chart look better, you can plot the new series on a differently scaled y-axis.

By default, Excel will use the first column for the X coordinate and the second for the Y coordinate. To add additional data for the Y axis, you need corresponding data for the X axis as well.

Adding the x-axis and y-axis labels can be done in the usual way. However, Excel has no specific tools for adding individual data labels to each bubble. You will need to add each data label ...