Question

find the valu of x if mean 6,8,12,5,9,7x is 12​

Answer 1

Step-by-step explanation:

mean=(sum of observations)/no of observations

(6+8+12+5+9+7x)/6=12

40+7x=72

7x=72-40

7x=32

x=32/7

Answer 2

mean= sum of observations by total number of observations