Question

Given that data is 3,6,x,8,10,9. Find x if the mean is 12.

Answer 1

Question :

Given that data is 3,6,x,8,10,9. Find x if the mean is 12.

To find :

Find the value of x

Solution :

$\sf 12=\large\frac{3+6+x+8+10+9}{6}$

$\sf 12=\large\frac{36+x}{6}$

$\sf 72=36+x$

$\sf 72-36=x$

$\sf x=36$

Answer 2

Answer:

45

Step-by-step explanation:

mean =sum of observations/no. of observations

12=3+6+8+10+9+x/6

72=36+x

72-36=36