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.

Microsoft Excel 2013 charts are dynamic in that they automatically update when the current data changes. However, if you add a series of data points to a spreadsheet, Excel doesn't know to include ...

One super cool trick to adding a new data series to a chart you’ve already created is to just select the column, copy it, select the entire chart (you’ll see the whole chart outlined), and ...

There are two series for this line chart: Sales and Emphasis (which has only one value, the value we want to emphasize). That’s why we need a combo chart — so we can distinguish that orange ...