Question

Find the value of x , If the mean of the following data is 9.

3,5,12,10,18,17,x,6,6.

Answer 1

mean = 9

3+5+12+10+18+17+x+6+6/9=9

77+x=9×9

77+x=81

x=81-77

x=4

hope it helps

Answer 2

Answer:

I hope it is helpful............................