if the mean of five observations x, x+2,x+4,x+6,x+8 is 13 , find the value of x and hence fi
Channel: Doubtnut
Date: 2020-04-12

if the mean of five observations x, x+2,x+4,x+6,x+8 is 13 , find the value of x and hence find the mean of the last three observations.