Question

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

Answer 1

6+3+x+3+5+y divided by 7 = 5
17+x+y=35
x+y=18

Answer 2

Hey mate !!
Here's your answer
➡➡➡➡➡➡➡➡➡➡➡➡➡➡➡
Mean = sum of observations/number of observations

5 = 6+3+x+4+3+5+y/7
5*7= 21+x+y
35-21=x+y
14= x+y
=> x + y = 14

Hope this helps☺☺