Lowest value of variance can be____________?
A. 1
B. -1
C. 3
D. 0
Statistics Mcqs
If the standard deviation of the values 2,4,6,8 is 2.33, then the standard deviation of the values 4,6,8,10 is_____________?
If the standard deviation of the values 2,4,6,8 is 2.33, then the standard deviation of the values 4,6,8,10 is_____________?
A. 0
B. 2.58
C. 4.66
D. 2.33
If Y=-8X – 5 and SD of X is 3, then SD of Y is______________?
If Y=-8X – 5 and SD of X is 3, then SD of Y is______________?
A. 8
B. 3
C. 24
D. None of these
Variance remains unchanged by change of_____________?
Variance remains unchanged by change of_____________?
A. Origin
B. Scale
C. Both
D. None of these
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
The shape of the symmetrical distribution is _______?
The shape of the symmetrical distribution is _______?
A. U- Shaped
B. J- Shaped
C. Bell- Shaped
D. None of these
The sum of absolute deviations from median is _____?
The sum of absolute deviations from median is _____?
A. Zero
B. Positive
C. Least
D. None of these
The variance of 4,4,4,4,4,4 is _______________?
The variance of 4,4,4,4,4,4 is _______________?
A. 4
B. (4)2
C. 8
D. None of these
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.