A. U- Shaped
B. J- Shaped
C. Bell- Shaped
D. None of these
Measures Of Dispersion
First moment about origin is always equal to _______________?
A. A.M.
B. variance
C. Zero
D. None of these
The sum of powers of deviation from mean is zero is called __________?
A. Mean
B. Lack
C. Normal
D. Skewed
Quartile deviation is not capable of manipulation______________?
A. Easy
B. mathematically
C. Abjectly
D. Algebraic
In grouped data, the range is the difference between ________________?
A. Two extreme class boundaries
B. Two extreme class frequency
C. Two extreme class limits
D. None of these
Mean deviation =______ S.D?
A. 2/3
B. 4/5
C. 5/6
D. 6/5
In a symmetrical distribution mean, median and mode, _________________?
A. Positive
B. Greater
C. Less than
D. Coincide
The sum of the squares of deviations is the least when measured from____________?
A. A.M.
B. Median
C. Mode
D. G.M.
Mean deviation, Variance and Standard Deviation of the values 4,4,4,4,4,4 is_______________?
A. 4
B. 8
C. 2
D. 0
Mean deviation is always ________________?
A. Equal to S.D.
B. More than S.D.
C. Less than S.D.
D. Negative
