Question

the mean of 5 numbers is 18 . If number is 18 . If a no. is ommited then the mean of remainig 4 no. become 16 . Find ommitted number .​

Answer 1

Answer:

the mean of 5 numbers=18

mean=sum of observations/no of observations

=x/5=18

transpose 5 to R.H.S

x=5*18

x=90

if one no. is excluded

then x/4=16

x=4*16

x=64

now, 90-64=26

excluded number is 26

happy to help:)

Answer 2

Answer:

Step-by-step explanation: