Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Player | Rec. | Yards | Avg. | TD's | Long |
| --- | --- | --- | --- | --- | --- |
| Charles Frederick | 115 | 1385 | 12 | 27 | 42 |
| Jerel Myers | 104 | 1183 | 11.4 | 21 | 38 |
| Anthony Hines | 58 | 822 | 14.2 | 12 | 39 |
| Boo Williams | 45 | 474 | 10.5 | 17 | 35 |
| Ira Gooch | 24 | 339 | 14.1 | 6 | 32 |
| Sam Simmons | 15 | 197 | 13.1 | 2 | 30 |
| Kevin Beard | 10 | 87 | 8.7 | 0 | 21 |
| Dawan Moss | 7 | 39 | 5.6 | 1 | 12 |
| Cyron Brown | 3 | 17 | 5.7 | 1 | 8 |
| Larrell Johnson | 3 | 14 | 4.7 | 0 | 6 |
| Jamarr Wood | 1 | 13 | 13 | 0 | 13 |
| Cecil Moore | 2 | 9 | 4.5 | 2 | 8 |
| Raymond Philyaw | 1 | −6 | −6 | 0 | −6 |
Question:
what is the difference between the highest average and the lowest avaerage?
Answer:
20.2