oldfatfool
Guru
To achieve an average of around 16-17mph we will need to spend quite a bit of time travelling at or above 20mph. Thats the way averages work, to make up for the slower sections where it is uphill or congested you will have to work harder when the road is clearer and level/downhill! from a mathematical point of view there are 3 definitions of average that I am aware of, the mean, the median and the mode. We are working to the mean and generaly this is the accepted form of average if you do not specify the other. Some people will say there typical average speed is xxmph if that is the speed they usually cruise along at (the mode) but that is an inflation of the truth and their mean speed would probably be a few mph less than they are suggesting.
Sorry for the boring stuff there, I just drifted off for a moment
No shoot Sherlock, Thanks for the maffs lesson, knew I should have spent more time at uni in lectures than playing cards.
Andrew L BSc (Hons) 1st