(A) Median
(B) Mode
(C) Mean
(D) None of these
Tag: Statistics Multiple Choice Questions
If right tail is longer than left tail then distribution is called __.
(A) Negatively Skewed
(B) Positively Skewed
(C) All of above
(D) None of these
Lack of symmetry is called__.
(A) Absolute Dispersion
(B) Relative Dispersion
(C) Skewness
(D) Non of these
The first moment about means is always__.
(A) Zero
(B) 1
(C) Negative
(D) None of these
If mean is 25 and standard deviation is 5 then C.V (Coefficient of variation) is__.
(A) 100%
(B) 25%
(C) 20%
(D) None of these
The measure of Dispersion can never be__.
(A) Positive
(B) Negative
(C) 0
(D) 1
The standard deviation is always __ than mean deviation.
(A) Greater
(B) Less
(C) Equal
(D) None
The variance of 5 numbers is 10. If each number is divided by 2, then the variance of new numbers is__.
(A) 20
(B) 70
(C) 2.5
(D) 5.5