The variance of 4,4,4,4,4,4 is _______________?
A. 4
B. (4)2
C. 8
D. None of these
Measures Of Dispersion
If third moment about mean is equal to zero, then distribution is ______________?
If third moment about mean is equal to zero, then distribution is ______________?
A. Negatively skewed
B. Symmetrical
C. positively skewed
D. None of these
If variance iv standard deviation is minimum if the deviation taken from______________?
If variance iv standard deviation is minimum if the deviation taken from______________?
A. Mode
B. Mean
C. Average
D. G.M.
________ is the simplest means of dispersion?
________ is the simplest means of dispersion?
A. Standard deviation
B. Variation
C. C.V.
D. Range
First movement about mean is always equal to ___________?
First movement about mean is always equal to ___________?
A. S.D.
B. 1
C. Zero
D. None of these
The standard deviation is affected by the value of every____________?
The standard deviation is affected by the value of every____________?
A. Relative Dispersion
B. Observation
C. Absolute
D. Items
Check the consistency used _____________?
Check the consistency used _____________?
A. Coefficient of dispersion
B. Mean coefficient
C. Coefficient of variance
D. Q.D.
__________ of the distribution which is measured relative to the distribution known as Normal?
__________ of the distribution which is measured relative to the distribution known as Normal?
A. Skewed
B. Flatness
C. Normal
D. Moment
In symmetrical distribution, the co-efficient of skewness is equal to ______________?
In symmetrical distribution, the co-efficient of skewness is equal to ______________?
A. -1
B. +1
C. 0
D. None of these
Quartile deviation is not capable of manipulation______________?
Quartile deviation is not capable of manipulation______________?
A. Easy
B. mathematically
C. Abjectly
D. Algebraic