The first moment about means is always_________________?
A. Zero
B. 1
C. Negative
D. None of these
Lack of symmetry is called_______________?
Lack of symmetry is called_______________?
A. Absolute Dispersion
B. Relative Dispersion
C. Skewness
D. Non of these
If right tail is longer than left tail then distribution is called _________________?
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
______________is based on all observations of data?
______________is based on all observations of data?
A. Median
B. Mode
C. Mean
D. None of these
For Mesokurtic curve of the distribution, β2 is__________________?
For Mesokurtic curve of the distribution, β2 is__________________?
A. Zero
B. 3
C. 3
E. None of these
In uni-model distribution, if mode is less than mean_______________?
In uni-model distribution, if mode is less than mean_______________?
A. Symmetrical
B. Normal
C. Positively Skewed
D. Negatively Skewed
The Coefficient of Skewness is always zero for ____________ distribution?
The Coefficient of Skewness is always zero for ____________ distribution?
A. Symmetrical
B. Skewed
C. All of above
D. None of these
Second moment about mean is_______________?
Second moment about mean is_______________?
A. Standard Deviation
B. Variance
C. Coefficient of Variation
D. None of these
_____________is used to compare the variation or dispersion in two or more sets of data even though they are measured in different units?
_____________is used to compare the variation or dispersion in two or more sets of data even though they are measured in different units?
A. Range
B. Standard Deviation
C. Coefficient of Variation
D. Mean Deviation
If all values are same then the measure of dispersion will be________________?
If all values are same then the measure of dispersion will be________________?
A. 1
B. 0
C. Mean
D. Mode
E. Median