Hard DHead Has Decided That He Wants to Climb One of of the World's

Essay

Hard D.Head has decided that he wants to climb one of the world's tallest mountains.He has mapped out a number of routes between various points on the mountain,and rated each route as to difficulty.His rating scale considers a 1 as being particularly easy,and a 10 as being almost impossible.
(a)Given the information below,identify the route that would provide the easiest climb.
(b)What would be the average rating of the route?
(c)What is wrong with this approach to Mr.Head's problem?