Question

The mean of the set of the number 6,3,x,4,3,5 and y is given as 5.what is the value of x+y

Answer 1

mean = (6+3+4+3+5+x+y)/7
= 5
6+4+3+3+5+x+y = 35
x+y = 35 – (6+4+3+3+5)
= 35 – (21)
= 14