SOLUTION: Let S = {1, x, y, x + y} where 1< x < y < x + y then the difference between the mean and the median of S is

Algebra ->  Exponents -> SOLUTION: Let S = {1, x, y, x + y} where 1< x < y < x + y then the difference between the mean and the median of S is      Log On


   

Question 919739: Let S = {1, x, y, x + y} where 1< x < y < x + y then the difference between the mean and
the median of S is
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
Mean = (2x+2y+1)/4

Median = (x+y)/2 (by definition)

Difference = |(2x+2y+1)/4 - (x+y)/2| = 1/4