Mean proportion between
- mean proportion between 0.08 and 0.18
- mean proportion between a and b
- mean proportion between 8 and 18
- mean proportion between 5 and 45
- mean proportion between 2 and 98
- mean proportion between 3 and 27
- mean proportion between 3 and 12
- mean proportion between two numbers
- mean proportion between 7 and 112
- mean proportion between 9 and 16
