Question

6,8,5,x,4,7 or 8 ka madhya 7 hai to x ka man nikale​

Answer 1

Answer:

x=11

Step-by-step explanation:

Term are 6,8,5,x,4,7,8

Total term is 7.

Mean = 7 (given)

Now,

We know that :-

Mean = Sum of observations / Number Of Observations

$7=\frac{6+8+5+x+7+8}{7}$

$or \\ 38+x=49$

$or\\x=49-38\\x=11$

∴x ka man 11 hai.