Question

If the mean of 4, x, 6, 9, 9,y and 13 is 8 then​

Answer 1

Answer:

Given,4+x+y3=6

x+y=6×3−4

x+y=14

x+y+103=14+103=8

Hence , the correct option is (

Answer 2

Step-by-step explanation:

= sum of observation/ no. of observation

8 = 4+6+9+9+13+x+y

8 = 37+x+y

x+y = 37+8

x+y = 45