Measures Of Dispersion

Measures Of Dispersion
The difference between first and third quartile is 20 and the sum of first and third quartile is 60 then coefficient of quartile deviation is
18%
15%
3%
13%
Author: rikazzz Comment
Measures Of Dispersion
The mean of squared deviations which is calculated from arithmetic mean is called
mean square average
standard square average
population average
sample square average
Author: rikazzz Comment
Measures Of Dispersion
The measure of variation which is useful for highly skewed distribution is
inter quartile deviation
quartile deviation
inter quartile range
quartile range
Author: rikazzz Comment
Measures Of Dispersion
Considering the sample rather than population, the standard deviation is thus denoted by
small s
capital s
Ω
σ
Author: rikazzz Comment
Measures Of Dispersion
For the recorded observation, the ratios measured by absolute variation are considered as
non-relative measures
relative measures
high uniform measures
low uniform measures
Author: rikazzz Comment
Measures Of Dispersion
The total revenue (in crores) of five leather goods companies are as two companies have revenues between 10-20, one company has revenue between 20-30 and one company has revenue between 30-40 then the standard deviation is
7.9
4.9
5.9
6.9
Author: rikazzz Comment
Measures Of Dispersion
The formula of coefficient of range is
L+L⁄H+H
H+H⁄L+L
H-L⁄H+L
H+l⁄H-L
Author: rikazzz Comment
Measures Of Dispersion
The sum of highest and lowest value is 80 and the coefficient of range is 0.625 then the difference between highest and lowest value is
70
100
150
50
Author: rikazzz Comment
Measures Of Dispersion
The shape of frequency distribution constructed in consideration of empirical rule is classified as
bell shaped
tower shape
wing shape
fish shape
Author: rikazzz Comment
Measures Of Dispersion
In terms of mean absolute deviation, the quartile deviation is equal to
5⁄6 M.A.D
6⁄5 M.A.D
4⁄5 M.A.D
2⁄3 M.A.D
Author: rikazzz Comment

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