JEE Main 2009Medium
Q.The mean and variance of 5 observations are 8 and 16 respectively. If three observations are 4, 8 and 12, then the remaining two observations are
a
5 and 11
b
6 and 10
c
7 and 9
d
4 and 12
Correct Answer: Option A
The correct solution involves applying the fundamental concept to derive the final value step by step...