A. U- Shaped
B. J- Shaped
C. Bell- Shaped
D. None of these
Measures Of Dispersion
If all values are same then the measure of dispersion will be?
A. 1
B. 0
C. Mean
D. Mode
E. Median
Variance remains unchanged by change of………….?
A. Origin
B. Scale
C. Both
D. None of these
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
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
Lowest value of variance can be…………?
A. 1
B. -1
C. 3
D. 0
The mean deviation of the values, 18, 12, 15, is……………?
A. 6
B. Zero
C. 3
D. 2