Ever see those charts where there is a column chart and a line chart in one? Also there are two y axis that show ranges on values on both the left and right side of the chart? Well this...
Dashboard Series: Creating Combination Charts In Excel within Combo Chart Excel
Combination Chart In Excel - Easy Excel Tutorial inside Combo Chart Excel
Create A Combination Chart - Office Support intended for Combo Chart Excel
Need To Combine Two Chart Types? Create A Combo Chart And Add A within Combo Chart Excel
Create A Combo Chart With A Secondary Axis - Office Support for Combo Chart Excel
Combining Chart Types, Adding A Second Axis - Office Blogs within Combo Chart Excel