An example of the colgroup tag in use
This is an example of using the colgroup tag, to illustrate my comment in the evolt.org article Building Accessible Tables. 
| Name | Inbound Loss | Outbound Loss | ||||
|---|---|---|---|---|---|---|
| Avg | Min | Max | Avg | Min | Max | |
| Customer One | 0.76 | 0.00 | 3.42 | 0.76 | 0.00 | 3.42 |
| Customer Two | 0.76 | 0.00 | 3.42 | 0.76 | 0.00 | 3.42 |
| Customer Three | 0.76 | 0.00 | 3.42 | 0.76 | 0.00 | 3.42 |
