Question

The mean of 5,9,17,x and 21 is 18,then find the value of x

Answer 1

hope it will help you

Answer 2

HEY

HERE IS YOUR ANSWER,

Answer:

               x=38

Step-by-step explanation:

The formula for finding mean =>

     mean = sum of observations / total number of observations

So,

$\frac{5+9+17+x+21}{5} = 18$

$\frac{52+x}{5} = 18$

52 + x =90

x= 90- 52

x = 38

HOPE IT HELPS YOU!!!!