Consider the 10 observations 2, 3, 5, 10, 11, 13, 15, 21, a and b such that mean of observation in 9 and variance is 34.2. Then the mean deviation about median is (A) 3 (B) 6 (C) 5 (D) 7
Consider the 10 observations 2, 3, 5, 10, 11, 13, 15, 21, a and b such that mean of observation in 9 and variance is 34.2. Then the mean deviation about median is
(A) 3
(B) 6
(C) 5
(D) 7