Question

if the mean of 8 ,x,4,and 12 is 10 then find the x
plz help me fast​

Answer 1

Step-by-step explanation:

mean= sum of all observations/no of observation

10=( 8+x+4+12)/4

40= 24+x

x= 40-24= 16

Answer 2

Step-by-step explanation:

mean =sum of the observations/ number of observations

mean= 8+4+12+x/4

= 24+x/4

10=24+x/4

40=24+x

40-24=x

16=x

mean =16