Mean deviation of data 2,2,2,2,2 from mean is a)5 b)2 c)0, d)3.75

The mean deviation of the data 3,10,10,4,7,10,5 from the mean is (a) 2 (b) 2.57 (c)3 (d) 3.57

The mean deviation of the numbers,4,5,6,7 from the mean is 25 (b) 5 (c) 1.2 (d) 0

The mean deviation of the data 2, 9, 9, 3, 6, 9, 4 from the mean is : A. (42)/(7) B. (18)/(7) C. 2.5 D. (50)/(7)

The mean deviation of the data 3,10,10,4,7,10,5 from the mean is

The mean deviation of the numbers 1,2,3,4,5 is

The mean of 5 observations is 5 and their variance is 124. If three of the observationsare 1,2 and 6, then the mean deviation from the mean of the data is (1)2.4 (b) 2.8 (c) 2.5 (d) 2.6

If mean of squares of deviations of a set of n observations about -2 and 2 are 18 and 10 respectively then standard deviation of this set of observations is 3 (b) 2 (c) 1 (d) None of these

Mean deviation of 5 observations from their mean 3 is 1.2, then coefficient of mean deviation is