(A) Range
(B) Standard Deviation
(C) Coefficient of Variation
(D) Mean Deviation
Tag: Statistics Mcqs
If the third moment about mean is zero then distribution is__.
(A) Mesokurtic
(B) Positively Skewed
(C) Symmetrical
(D) Negatively Skewed
Quartile Coefficient of skewness lies between__.
(A) 0 and 1
(B) -1 and +1
(C) -1 and 0
(D) None of these
The degree of peakedness is called__.
(A) Dispersion
(B) Skewness
(C) Symmetry
(D) Kurtosis
If β2=m4m22<3, the distribution is called__.
(A) Normal
(B) Mesokurtic
(C) Leptokurtic
(D) Platykurtic
The calculation of mean and variance is based on__.
(A) Small values only
(B) Large values only
(C) Extreme values only
(D) All values
Arithmetic mean of two positive numbers “X” and “Y” is__.
(A) ab2
(B) 2a2
(C) (a+b)/2
(D) a−b2
For a certain distribution if Σ(x−2)=18,Σ(x−24)=0,Σ(x−28)=−24) then arithmetic mean is__.
(A) 21
(B) 24
(C) 28
(D) 0