A. Easy
B. mathematically
C. Abjectly
D. Algebraic
Measures Of Dispersion
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
suppose for 40 observation, the variance is 50. If all the observation are increased by 20, the variance of these increased observation will be_________?
A. 50
B. 70
C. 50/20
D. 50-20=30
The measure of relative dispersion is called __________________?
A. Quartile deviation
B. Mean dervation
C. Mean coefficient
D. Coefficient of quartile Deviation
which is poor measure of dispersion in open-end distribution ________________?
A. Quartile- deviation
B. Semi-inter quartile range
C. Range
D. None of these
