Question

if the Arithmetic mean of 4 ,8, 9 ,11 ,p and 15 is 9 find the value of p

Answer 1

hii friend....
I hope this helps u..
ur answer is 7

Answer 2

hello Frnd

let the variable is X

X

4
8
9
11
P
15

Mean = (4 + 8 + 9 + 11 + p + 15) / 6

As mean is 9

9 = (47 + P)/6

54 = 47 + P

p = 54 - 47

p = 7


hope it helps
#jerri