1.

For (2n+1) observations \[{{x}_{1}},\,-{{x}_{1}}\], \[{{x}_{2}},\,-{{x}_{2}},\,.....{{x}_{n}},\,-{{x}_{n}}\] and 0 where x?s are all distinct. Let S.D. and M.D. denote the standard deviation and median respectively. Then which of the following is always true [Orissa JEE 2002]

A.                 S.D. < M.D.
B.                 S.D. > M.D.
C.                 S.D. = M.D.
D.                 Nothing can be said in general about the relationship of S.D. and M.D.
Answer» C.                 S.D. = M.D.


Discussion

No Comment Found

Related MCQs