Question

if mean of 1 2 x 2 5 is 15 find the value of x

Answer 1

Hy,
Mean is sum of all the observations divided by total no of observations
Implies 1+2+x+2+5/5=15
Implies 10+x=15*5
Implies x=75-10
X=65
Hope it helps
Thanks

Answer 2

Holla ^_^

☸ Required Answer is ⬇⬇⬇

⭕ Given terms - 12 , x , 25

Mean = 15

A.T.Q

♓ Mean = 12+x+25/3

15 = 37+x/3

45 = 37+x

x = 45-37

x = 8

Therefore, the required value of x = 8 .


Vielen Dank ♥