Statement-1 : The mean deviation of the numbers 3,4,5,6,7 is 1.2
Statement-2 :mean deviation =`(Sigma_(i=1)^(n)|x_i-barx|)/n`.

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

The mean deviation of the numbers 3,4,5,6,7 from the mean is -

The mean deviation of the numbers 3,4,5,6,7 from the mean is(a) 25 (b) 5 (c) 1.2 (d) 0

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 numbers 3, 4, 5, 6, 7 from the mean is (a) 25 (b) 5 (c) 1.2 (d) 0

The mean and standard deviation of 1,2,3,4,5,6 are

the mean and standard deviation of 1,2,3,4,5,6 are

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

Statement-1 : The variance of the variates 112, 116, 120,125,132 about their A.M. is 48.8. Statement-2 : sigma=sqrt((Sigma_(i=1)^(n) f_i(x_i-barx)^2)/(Sigma_(i=1)^(n) f_i)