Mixing Chart Types
The "Series Settings" tab can be used to set individual columns and segments as different chart types. The "Series Type" dropdown tab supports the following Chart Types: Area, Line, Bar, and Scatter. This lets users plot multiple segment types on the same chart.The series tab may look like this:
And the resulting chart will appear similar to the one below:
Options available in the "Chart Format" tab are restricted to a single chart type. So if the underlying chart type is a Line Chart, it is not possible to display Grouped Bars via the "Series" tab.