(A) Dispersion
(B) Skewness
(C) Symmetry
(D) Kurtosis
Tag: Statistics Multiple Choice Questions
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
The mean of 10 numbers is 9, then sum of these numbers will be__.
(A) 9
(B) 0.9
(C) 70
(D) 90
Sum of deviations will be zero if it is taken from__.
(A) Mean
(B) Mode
(C) Median
(D) Standard Deviation
The mean of a constant “b” is__.
(A) Zero
(B) b
(C) All
(D) None